Home / 581,042.18-801,561.60-387,539.25

Finding the Fourth Proportional to 581,042.18, 801,561.60 and 387,539.25

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Solution

The fourth proportional to 581,042.18, 801,561.60 and 387,539.25 is: 534,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,042.18 : 801,561.60 = 387,539.25 : x
  2. Step 2: Convert to fraction form
    581,042.18/801,561.60 = 387,539.25/x
  3. Step 3: Cross multiply
    581,042.18x = 801,561.60 × 387,539.25
  4. Step 4: Simplify right side
    581,042.18x = 310,636,581,292.80
  5. Step 5: Solve for x
    x = 310,636,581,292.80/581,042.18
  6. Step 6: Final answer
    x = 534,619.68

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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.