Home / 486,626.02-666,666.52-468,432.04

Finding the Fourth Proportional to 486,626.02, 666,666.52 and 468,432.04

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Solution

The fourth proportional to 486,626.02, 666,666.52 and 468,432.04 is: 641,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,626.02 : 666,666.52 = 468,432.04 : x
  2. Step 2: Convert to fraction form
    486,626.02/666,666.52 = 468,432.04/x
  3. Step 3: Cross multiply
    486,626.02x = 666,666.52 × 468,432.04
  4. Step 4: Simplify right side
    486,626.02x = 312,287,955,125.55
  5. Step 5: Solve for x
    x = 312,287,955,125.55/486,626.02
  6. Step 6: Final answer
    x = 641,741.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.