Home / 1,432,902.90-1,977,545.55-1,069,696.06

Finding the Fourth Proportional to 1,432,902.90, 1,977,545.55 and 1,069,696.06

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Solution

The fourth proportional to 1,432,902.90, 1,977,545.55 and 1,069,696.06 is: 1,476,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,902.90 : 1,977,545.55 = 1,069,696.06 : x
  2. Step 2: Convert to fraction form
    1,432,902.90/1,977,545.55 = 1,069,696.06/x
  3. Step 3: Cross multiply
    1,432,902.90x = 1,977,545.55 × 1,069,696.06
  4. Step 4: Simplify right side
    1,432,902.90x = 2,115,372,683,305.53
  5. Step 5: Solve for x
    x = 2,115,372,683,305.53/1,432,902.90
  6. Step 6: Final answer
    x = 1,476,284.74

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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.