Home / 1,663,721.70-2,495,574.45-652,128.90

Finding the Fourth Proportional to 1,663,721.70, 2,495,574.45 and 652,128.90

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Solution

The fourth proportional to 1,663,721.70, 2,495,574.45 and 652,128.90 is: 978,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,721.70 : 2,495,574.45 = 652,128.90 : x
  2. Step 2: Convert to fraction form
    1,663,721.70/2,495,574.45 = 652,128.90/x
  3. Step 3: Cross multiply
    1,663,721.70x = 2,495,574.45 × 652,128.90
  4. Step 4: Simplify right side
    1,663,721.70x = 1,627,436,220,946.61
  5. Step 5: Solve for x
    x = 1,627,436,220,946.61/1,663,721.70
  6. Step 6: Final answer
    x = 978,190.18

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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.