Home / 915,178.32-1,262,518.92-575,833.68

Finding the Fourth Proportional to 915,178.32, 1,262,518.92 and 575,833.68

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Solution

The fourth proportional to 915,178.32, 1,262,518.92 and 575,833.68 is: 794,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,178.32 : 1,262,518.92 = 575,833.68 : x
  2. Step 2: Convert to fraction form
    915,178.32/1,262,518.92 = 575,833.68/x
  3. Step 3: Cross multiply
    915,178.32x = 1,262,518.92 × 575,833.68
  4. Step 4: Simplify right side
    915,178.32x = 727,000,915,773.23
  5. Step 5: Solve for x
    x = 727,000,915,773.23/915,178.32
  6. Step 6: Final answer
    x = 794,381.71

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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.