Home / 454,011.36-626,526.54-284,339.04

Finding the Fourth Proportional to 454,011.36, 626,526.54 and 284,339.04

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Solution

The fourth proportional to 454,011.36, 626,526.54 and 284,339.04 is: 392,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,011.36 : 626,526.54 = 284,339.04 : x
  2. Step 2: Convert to fraction form
    454,011.36/626,526.54 = 284,339.04/x
  3. Step 3: Cross multiply
    454,011.36x = 626,526.54 × 284,339.04
  4. Step 4: Simplify right side
    454,011.36x = 178,145,954,918.12
  5. Step 5: Solve for x
    x = 178,145,954,918.12/454,011.36
  6. Step 6: Final answer
    x = 392,382.15

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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.