Home / 1,154,713.86-1,732,167.69-425,435.63

Finding the Fourth Proportional to 1,154,713.86, 1,732,167.69 and 425,435.63

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Solution

The fourth proportional to 1,154,713.86, 1,732,167.69 and 425,435.63 is: 638,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,713.86 : 1,732,167.69 = 425,435.63 : x
  2. Step 2: Convert to fraction form
    1,154,713.86/1,732,167.69 = 425,435.63/x
  3. Step 3: Cross multiply
    1,154,713.86x = 1,732,167.69 × 425,435.63
  4. Step 4: Simplify right side
    1,154,713.86x = 736,925,842,204.57
  5. Step 5: Solve for x
    x = 736,925,842,204.57/1,154,713.86
  6. Step 6: Final answer
    x = 638,189.14

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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.