Home / 1,118,740.54-1,543,909-609,470.86

Finding the Fourth Proportional to 1,118,740.54, 1,543,909 and 609,470.86

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Solution

The fourth proportional to 1,118,740.54, 1,543,909 and 609,470.86 is: 841,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,740.54 : 1,543,909 = 609,470.86 : x
  2. Step 2: Convert to fraction form
    1,118,740.54/1,543,909 = 609,470.86/x
  3. Step 3: Cross multiply
    1,118,740.54x = 1,543,909 × 609,470.86
  4. Step 4: Simplify right side
    1,118,740.54x = 940,967,545,991.74
  5. Step 5: Solve for x
    x = 940,967,545,991.74/1,118,740.54
  6. Step 6: Final answer
    x = 841,095.42

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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.