Home / 1,036,691.20-1,554,931.68-278,434.17

Finding the Fourth Proportional to 1,036,691.20, 1,554,931.68 and 278,434.17

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Solution

The fourth proportional to 1,036,691.20, 1,554,931.68 and 278,434.17 is: 417,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,691.20 : 1,554,931.68 = 278,434.17 : x
  2. Step 2: Convert to fraction form
    1,036,691.20/1,554,931.68 = 278,434.17/x
  3. Step 3: Cross multiply
    1,036,691.20x = 1,554,931.68 × 278,434.17
  4. Step 4: Simplify right side
    1,036,691.20x = 432,946,111,727.51
  5. Step 5: Solve for x
    x = 432,946,111,727.51/1,036,691.20
  6. Step 6: Final answer
    x = 417,623.02

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Double scale
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1.5x scale

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.