Home / 949,532.80-1,424,299.20-318,444.79

Finding the Fourth Proportional to 949,532.80, 1,424,299.20 and 318,444.79

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Solution

The fourth proportional to 949,532.80, 1,424,299.20 and 318,444.79 is: 477,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,532.80 : 1,424,299.20 = 318,444.79 : x
  2. Step 2: Convert to fraction form
    949,532.80/1,424,299.20 = 318,444.79/x
  3. Step 3: Cross multiply
    949,532.80x = 1,424,299.20 × 318,444.79
  4. Step 4: Simplify right side
    949,532.80x = 453,560,650,927.45
  5. Step 5: Solve for x
    x = 453,560,650,927.45/949,532.80
  6. Step 6: Final answer
    x = 477,667.18

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Half scale
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Double scale
Find fourth proportional to 949,533.80, 1,424,300.70 and 318,445.79
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.