Home / 874,130.04-1,206,355.02-529,998.90

Finding the Fourth Proportional to 874,130.04, 1,206,355.02 and 529,998.90

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Solution

The fourth proportional to 874,130.04, 1,206,355.02 and 529,998.90 is: 731,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,130.04 : 1,206,355.02 = 529,998.90 : x
  2. Step 2: Convert to fraction form
    874,130.04/1,206,355.02 = 529,998.90/x
  3. Step 3: Cross multiply
    874,130.04x = 1,206,355.02 × 529,998.90
  4. Step 4: Simplify right side
    874,130.04x = 639,366,833,609.48
  5. Step 5: Solve for x
    x = 639,366,833,609.48/874,130.04
  6. Step 6: Final answer
    x = 731,432.17

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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.