Home / 1,025,071.39-1,537,753.83-315,159.04

Finding the Fourth Proportional to 1,025,071.39, 1,537,753.83 and 315,159.04

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Solution

The fourth proportional to 1,025,071.39, 1,537,753.83 and 315,159.04 is: 472,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,071.39 : 1,537,753.83 = 315,159.04 : x
  2. Step 2: Convert to fraction form
    1,025,071.39/1,537,753.83 = 315,159.04/x
  3. Step 3: Cross multiply
    1,025,071.39x = 1,537,753.83 × 315,159.04
  4. Step 4: Simplify right side
    1,025,071.39x = 484,637,020,819.12
  5. Step 5: Solve for x
    x = 484,637,020,819.12/1,025,071.39
  6. Step 6: Final answer
    x = 472,783.68

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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.