Home / 1,359,478-1,876,127.76-747,678.04

Finding the Fourth Proportional to 1,359,478, 1,876,127.76 and 747,678.04

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Solution

The fourth proportional to 1,359,478, 1,876,127.76 and 747,678.04 is: 1,031,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,478 : 1,876,127.76 = 747,678.04 : x
  2. Step 2: Convert to fraction form
    1,359,478/1,876,127.76 = 747,678.04/x
  3. Step 3: Cross multiply
    1,359,478x = 1,876,127.76 × 747,678.04
  4. Step 4: Simplify right side
    1,359,478x = 1,402,739,526,386.39
  5. Step 5: Solve for x
    x = 1,402,739,526,386.39/1,359,478
  6. Step 6: Final answer
    x = 1,031,822.16

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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.