Home / 1,101,746.38-1,520,437.20-618,348.36

Finding the Fourth Proportional to 1,101,746.38, 1,520,437.20 and 618,348.36

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Solution

The fourth proportional to 1,101,746.38, 1,520,437.20 and 618,348.36 is: 853,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,746.38 : 1,520,437.20 = 618,348.36 : x
  2. Step 2: Convert to fraction form
    1,101,746.38/1,520,437.20 = 618,348.36/x
  3. Step 3: Cross multiply
    1,101,746.38x = 1,520,437.20 × 618,348.36
  4. Step 4: Simplify right side
    1,101,746.38x = 940,159,849,102.99
  5. Step 5: Solve for x
    x = 940,159,849,102.99/1,101,746.38
  6. Step 6: Final answer
    x = 853,336.00

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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.