Home / 914,458.40-1,371,687.60-578,535.20

Finding the Fourth Proportional to 914,458.40, 1,371,687.60 and 578,535.20

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Solution

The fourth proportional to 914,458.40, 1,371,687.60 and 578,535.20 is: 867,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,458.40 : 1,371,687.60 = 578,535.20 : x
  2. Step 2: Convert to fraction form
    914,458.40/1,371,687.60 = 578,535.20/x
  3. Step 3: Cross multiply
    914,458.40x = 1,371,687.60 × 578,535.20
  4. Step 4: Simplify right side
    914,458.40x = 793,569,560,003.52
  5. Step 5: Solve for x
    x = 793,569,560,003.52/914,458.40
  6. Step 6: Final answer
    x = 867,802.80

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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.