Home / 1,118,426.15-1,543,567.03-635,146.53

Finding the Fourth Proportional to 1,118,426.15, 1,543,567.03 and 635,146.53

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Solution

The fourth proportional to 1,118,426.15, 1,543,567.03 and 635,146.53 is: 876,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,426.15 : 1,543,567.03 = 635,146.53 : x
  2. Step 2: Convert to fraction form
    1,118,426.15/1,543,567.03 = 635,146.53/x
  3. Step 3: Cross multiply
    1,118,426.15x = 1,543,567.03 × 635,146.53
  4. Step 4: Simplify right side
    1,118,426.15x = 980,391,242,926.91
  5. Step 5: Solve for x
    x = 980,391,242,926.91/1,118,426.15
  6. Step 6: Final answer
    x = 876,581.12

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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.