Home / 1,038,545.09-1,557,233.30-714,713.57

Finding the Fourth Proportional to 1,038,545.09, 1,557,233.30 and 714,713.57

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Solution

The fourth proportional to 1,038,545.09, 1,557,233.30 and 714,713.57 is: 1,071,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,545.09 : 1,557,233.30 = 714,713.57 : x
  2. Step 2: Convert to fraction form
    1,038,545.09/1,557,233.30 = 714,713.57/x
  3. Step 3: Cross multiply
    1,038,545.09x = 1,557,233.30 × 714,713.57
  4. Step 4: Simplify right side
    1,038,545.09x = 1,112,975,779,765.56
  5. Step 5: Solve for x
    x = 1,112,975,779,765.56/1,038,545.09
  6. Step 6: Final answer
    x = 1,071,668.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.