Home / 837,898.47-1,154,097.18-643,935.06

Finding the Fourth Proportional to 837,898.47, 1,154,097.18 and 643,935.06

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Solution

The fourth proportional to 837,898.47, 1,154,097.18 and 643,935.06 is: 886,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,898.47 : 1,154,097.18 = 643,935.06 : x
  2. Step 2: Convert to fraction form
    837,898.47/1,154,097.18 = 643,935.06/x
  3. Step 3: Cross multiply
    837,898.47x = 1,154,097.18 × 643,935.06
  4. Step 4: Simplify right side
    837,898.47x = 743,163,636,849.13
  5. Step 5: Solve for x
    x = 743,163,636,849.13/837,898.47
  6. Step 6: Final answer
    x = 886,937.57

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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.