Home / 1,654,632-2,283,143.43-929,340.78

Finding the Fourth Proportional to 1,654,632, 2,283,143.43 and 929,340.78

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Solution

The fourth proportional to 1,654,632, 2,283,143.43 and 929,340.78 is: 1,282,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,632 : 2,283,143.43 = 929,340.78 : x
  2. Step 2: Convert to fraction form
    1,654,632/2,283,143.43 = 929,340.78/x
  3. Step 3: Cross multiply
    1,654,632x = 2,283,143.43 × 929,340.78
  4. Step 4: Simplify right side
    1,654,632x = 2,121,818,296,088.08
  5. Step 5: Solve for x
    x = 2,121,818,296,088.08/1,654,632
  6. Step 6: Final answer
    x = 1,282,350.57

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Double scale
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1.5x scale

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.