Home / 1,553,420.04-2,143,583.10-865,039.92

Finding the Fourth Proportional to 1,553,420.04, 2,143,583.10 and 865,039.92

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Solution

The fourth proportional to 1,553,420.04, 2,143,583.10 and 865,039.92 is: 1,193,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,420.04 : 2,143,583.10 = 865,039.92 : x
  2. Step 2: Convert to fraction form
    1,553,420.04/2,143,583.10 = 865,039.92/x
  3. Step 3: Cross multiply
    1,553,420.04x = 2,143,583.10 × 865,039.92
  4. Step 4: Simplify right side
    1,553,420.04x = 1,854,284,953,337.35
  5. Step 5: Solve for x
    x = 1,854,284,953,337.35/1,553,420.04
  6. Step 6: Final answer
    x = 1,193,679.05

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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.