Home / 972,547.80-1,342,061.22-542,855.52

Finding the Fourth Proportional to 972,547.80, 1,342,061.22 and 542,855.52

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Solution

The fourth proportional to 972,547.80, 1,342,061.22 and 542,855.52 is: 749,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,547.80 : 1,342,061.22 = 542,855.52 : x
  2. Step 2: Convert to fraction form
    972,547.80/1,342,061.22 = 542,855.52/x
  3. Step 3: Cross multiply
    972,547.80x = 1,342,061.22 × 542,855.52
  4. Step 4: Simplify right side
    972,547.80x = 728,545,341,454.94
  5. Step 5: Solve for x
    x = 728,545,341,454.94/972,547.80
  6. Step 6: Final answer
    x = 749,110.06

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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.