Home / 1,574,766.90-2,173,115.79-930,395.70

Finding the Fourth Proportional to 1,574,766.90, 2,173,115.79 and 930,395.70

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Solution

The fourth proportional to 1,574,766.90, 2,173,115.79 and 930,395.70 is: 1,283,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,766.90 : 2,173,115.79 = 930,395.70 : x
  2. Step 2: Convert to fraction form
    1,574,766.90/2,173,115.79 = 930,395.70/x
  3. Step 3: Cross multiply
    1,574,766.90x = 2,173,115.79 × 930,395.70
  4. Step 4: Simplify right side
    1,574,766.90x = 2,021,857,586,618.10
  5. Step 5: Solve for x
    x = 2,021,857,586,618.10/1,574,766.90
  6. Step 6: Final answer
    x = 1,283,909.12

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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.