Home / 623,528.16-859,293.02-451,154.28

Finding the Fourth Proportional to 623,528.16, 859,293.02 and 451,154.28

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Solution

The fourth proportional to 623,528.16, 859,293.02 and 451,154.28 is: 621,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,528.16 : 859,293.02 = 451,154.28 : x
  2. Step 2: Convert to fraction form
    623,528.16/859,293.02 = 451,154.28/x
  3. Step 3: Cross multiply
    623,528.16x = 859,293.02 × 451,154.28
  4. Step 4: Simplify right side
    623,528.16x = 387,673,723,747.13
  5. Step 5: Solve for x
    x = 387,673,723,747.13/623,528.16
  6. Step 6: Final answer
    x = 621,742.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.