Home / 712,923.60-1,069,615.80-476,533.20

Finding the Fourth Proportional to 712,923.60, 1,069,615.80 and 476,533.20

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Solution

The fourth proportional to 712,923.60, 1,069,615.80 and 476,533.20 is: 714,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,923.60 : 1,069,615.80 = 476,533.20 : x
  2. Step 2: Convert to fraction form
    712,923.60/1,069,615.80 = 476,533.20/x
  3. Step 3: Cross multiply
    712,923.60x = 1,069,615.80 × 476,533.20
  4. Step 4: Simplify right side
    712,923.60x = 509,707,439,944.56
  5. Step 5: Solve for x
    x = 509,707,439,944.56/712,923.60
  6. Step 6: Final answer
    x = 714,953.80

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Double scale
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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.