Home / 878,098.19-1,317,590.15-346,001.09

Finding the Fourth Proportional to 878,098.19, 1,317,590.15 and 346,001.09

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Solution

The fourth proportional to 878,098.19, 1,317,590.15 and 346,001.09 is: 519,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,098.19 : 1,317,590.15 = 346,001.09 : x
  2. Step 2: Convert to fraction form
    878,098.19/1,317,590.15 = 346,001.09/x
  3. Step 3: Cross multiply
    878,098.19x = 1,317,590.15 × 346,001.09
  4. Step 4: Simplify right side
    878,098.19x = 455,887,619,755.31
  5. Step 5: Solve for x
    x = 455,887,619,755.31/878,098.19
  6. Step 6: Final answer
    x = 519,176.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.