Home / 714,154.03-985,528.87-404,070.19

Finding the Fourth Proportional to 714,154.03, 985,528.87 and 404,070.19

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Solution

The fourth proportional to 714,154.03, 985,528.87 and 404,070.19 is: 557,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,154.03 : 985,528.87 = 404,070.19 : x
  2. Step 2: Convert to fraction form
    714,154.03/985,528.87 = 404,070.19/x
  3. Step 3: Cross multiply
    714,154.03x = 985,528.87 × 404,070.19
  4. Step 4: Simplify right side
    714,154.03x = 398,222,837,751.39
  5. Step 5: Solve for x
    x = 398,222,837,751.39/714,154.03
  6. Step 6: Final answer
    x = 557,614.77

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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.