Home / 1,457,572.17-2,011,444.34-812,991.86

Finding the Fourth Proportional to 1,457,572.17, 2,011,444.34 and 812,991.86

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Solution

The fourth proportional to 1,457,572.17, 2,011,444.34 and 812,991.86 is: 1,121,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,572.17 : 2,011,444.34 = 812,991.86 : x
  2. Step 2: Convert to fraction form
    1,457,572.17/2,011,444.34 = 812,991.86/x
  3. Step 3: Cross multiply
    1,457,572.17x = 2,011,444.34 × 812,991.86
  4. Step 4: Simplify right side
    1,457,572.17x = 1,635,287,861,140.89
  5. Step 5: Solve for x
    x = 1,635,287,861,140.89/1,457,572.17
  6. Step 6: Final answer
    x = 1,121,925.83

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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.