Home / 1,129,683.70-1,693,990.95-656,514.10

Finding the Fourth Proportional to 1,129,683.70, 1,693,990.95 and 656,514.10

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Solution

The fourth proportional to 1,129,683.70, 1,693,990.95 and 656,514.10 is: 984,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,683.70 : 1,693,990.95 = 656,514.10 : x
  2. Step 2: Convert to fraction form
    1,129,683.70/1,693,990.95 = 656,514.10/x
  3. Step 3: Cross multiply
    1,129,683.70x = 1,693,990.95 × 656,514.10
  4. Step 4: Simplify right side
    1,129,683.70x = 1,112,128,943,947.40
  5. Step 5: Solve for x
    x = 1,112,128,943,947.40/1,129,683.70
  6. Step 6: Final answer
    x = 984,460.47

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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.