Home / 1,289,693.43-1,931,589.72-616,248.09

Finding the Fourth Proportional to 1,289,693.43, 1,931,589.72 and 616,248.09

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Solution

The fourth proportional to 1,289,693.43, 1,931,589.72 and 616,248.09 is: 922,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,693.43 : 1,931,589.72 = 616,248.09 : x
  2. Step 2: Convert to fraction form
    1,289,693.43/1,931,589.72 = 616,248.09/x
  3. Step 3: Cross multiply
    1,289,693.43x = 1,931,589.72 × 616,248.09
  4. Step 4: Simplify right side
    1,289,693.43x = 1,190,338,475,613.63
  5. Step 5: Solve for x
    x = 1,190,338,475,613.63/1,289,693.43
  6. Step 6: Final answer
    x = 922,962.35

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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.