Home / 924,693.80-1,386,165.90-545,905.40

Finding the Fourth Proportional to 924,693.80, 1,386,165.90 and 545,905.40

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Solution

The fourth proportional to 924,693.80, 1,386,165.90 and 545,905.40 is: 818,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,693.80 : 1,386,165.90 = 545,905.40 : x
  2. Step 2: Convert to fraction form
    924,693.80/1,386,165.90 = 545,905.40/x
  3. Step 3: Cross multiply
    924,693.80x = 1,386,165.90 × 545,905.40
  4. Step 4: Simplify right side
    924,693.80x = 756,715,450,105.86
  5. Step 5: Solve for x
    x = 756,715,450,105.86/924,693.80
  6. Step 6: Final answer
    x = 818,341.65

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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.