Home / 1,350,128.16-1,862,298.90-865,926.36

Finding the Fourth Proportional to 1,350,128.16, 1,862,298.90 and 865,926.36

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Solution

The fourth proportional to 1,350,128.16, 1,862,298.90 and 865,926.36 is: 1,194,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,128.16 : 1,862,298.90 = 865,926.36 : x
  2. Step 2: Convert to fraction form
    1,350,128.16/1,862,298.90 = 865,926.36/x
  3. Step 3: Cross multiply
    1,350,128.16x = 1,862,298.90 × 865,926.36
  4. Step 4: Simplify right side
    1,350,128.16x = 1,612,613,707,709.00
  5. Step 5: Solve for x
    x = 1,612,613,707,709.00/1,350,128.16
  6. Step 6: Final answer
    x = 1,194,415.28

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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.