Home / 895,913.76-1,236,339.68-513,916.16

Finding the Fourth Proportional to 895,913.76, 1,236,339.68 and 513,916.16

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Solution

The fourth proportional to 895,913.76, 1,236,339.68 and 513,916.16 is: 709,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,913.76 : 1,236,339.68 = 513,916.16 : x
  2. Step 2: Convert to fraction form
    895,913.76/1,236,339.68 = 513,916.16/x
  3. Step 3: Cross multiply
    895,913.76x = 1,236,339.68 × 513,916.16
  4. Step 4: Simplify right side
    895,913.76x = 635,374,940,801.23
  5. Step 5: Solve for x
    x = 635,374,940,801.23/895,913.76
  6. Step 6: Final answer
    x = 709,192.08

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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.