Home / 438,041.11-604,626.02-256,792.27

Finding the Fourth Proportional to 438,041.11, 604,626.02 and 256,792.27

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Solution

The fourth proportional to 438,041.11, 604,626.02 and 256,792.27 is: 354,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,041.11 : 604,626.02 = 256,792.27 : x
  2. Step 2: Convert to fraction form
    438,041.11/604,626.02 = 256,792.27/x
  3. Step 3: Cross multiply
    438,041.11x = 604,626.02 × 256,792.27
  4. Step 4: Simplify right side
    438,041.11x = 155,263,288,176.87
  5. Step 5: Solve for x
    x = 155,263,288,176.87/438,041.11
  6. Step 6: Final answer
    x = 354,449.13

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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.