Home / 544,429.20-816,643.80-474,445.20

Finding the Fourth Proportional to 544,429.20, 816,643.80 and 474,445.20

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Solution

The fourth proportional to 544,429.20, 816,643.80 and 474,445.20 is: 711,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,429.20 : 816,643.80 = 474,445.20 : x
  2. Step 2: Convert to fraction form
    544,429.20/816,643.80 = 474,445.20/x
  3. Step 3: Cross multiply
    544,429.20x = 816,643.80 × 474,445.20
  4. Step 4: Simplify right side
    544,429.20x = 387,452,731,019.76
  5. Step 5: Solve for x
    x = 387,452,731,019.76/544,429.20
  6. Step 6: Final answer
    x = 711,667.80

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Double scale
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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.