Home / 1,084,012.78-1,495,897.92-625,146.70

Finding the Fourth Proportional to 1,084,012.78, 1,495,897.92 and 625,146.70

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Solution

The fourth proportional to 1,084,012.78, 1,495,897.92 and 625,146.70 is: 862,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,012.78 : 1,495,897.92 = 625,146.70 : x
  2. Step 2: Convert to fraction form
    1,084,012.78/1,495,897.92 = 625,146.70/x
  3. Step 3: Cross multiply
    1,084,012.78x = 1,495,897.92 × 625,146.70
  4. Step 4: Simplify right side
    1,084,012.78x = 935,155,648,224.86
  5. Step 5: Solve for x
    x = 935,155,648,224.86/1,084,012.78
  6. Step 6: Final answer
    x = 862,679.54

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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.