Home / 1,178,574.24-1,626,432.72-642,030.24

Finding the Fourth Proportional to 1,178,574.24, 1,626,432.72 and 642,030.24

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Solution

The fourth proportional to 1,178,574.24, 1,626,432.72 and 642,030.24 is: 886,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,574.24 : 1,626,432.72 = 642,030.24 : x
  2. Step 2: Convert to fraction form
    1,178,574.24/1,626,432.72 = 642,030.24/x
  3. Step 3: Cross multiply
    1,178,574.24x = 1,626,432.72 × 642,030.24
  4. Step 4: Simplify right side
    1,178,574.24x = 1,044,218,989,565.45
  5. Step 5: Solve for x
    x = 1,044,218,989,565.45/1,178,574.24
  6. Step 6: Final answer
    x = 886,001.88

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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.