Home / 1,178,176.40-1,766,098.20-578,646.80

Finding the Fourth Proportional to 1,178,176.40, 1,766,098.20 and 578,646.80

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Solution

The fourth proportional to 1,178,176.40, 1,766,098.20 and 578,646.80 is: 867,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,176.40 : 1,766,098.20 = 578,646.80 : x
  2. Step 2: Convert to fraction form
    1,178,176.40/1,766,098.20 = 578,646.80/x
  3. Step 3: Cross multiply
    1,178,176.40x = 1,766,098.20 × 578,646.80
  4. Step 4: Simplify right side
    1,178,176.40x = 1,021,947,071,915.76
  5. Step 5: Solve for x
    x = 1,021,947,071,915.76/1,178,176.40
  6. Step 6: Final answer
    x = 867,397.34

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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.