Home / 1,148,865.60-1,585,391.76-639,557.04

Finding the Fourth Proportional to 1,148,865.60, 1,585,391.76 and 639,557.04

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Solution

The fourth proportional to 1,148,865.60, 1,585,391.76 and 639,557.04 is: 882,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,865.60 : 1,585,391.76 = 639,557.04 : x
  2. Step 2: Convert to fraction form
    1,148,865.60/1,585,391.76 = 639,557.04/x
  3. Step 3: Cross multiply
    1,148,865.60x = 1,585,391.76 × 639,557.04
  4. Step 4: Simplify right side
    1,148,865.60x = 1,013,948,461,265.99
  5. Step 5: Solve for x
    x = 1,013,948,461,265.99/1,148,865.60
  6. Step 6: Final answer
    x = 882,564.91

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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.