Home / 748,934.51-1,033,529.49-409,402.76

Finding the Fourth Proportional to 748,934.51, 1,033,529.49 and 409,402.76

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Solution

The fourth proportional to 748,934.51, 1,033,529.49 and 409,402.76 is: 564,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,934.51 : 1,033,529.49 = 409,402.76 : x
  2. Step 2: Convert to fraction form
    748,934.51/1,033,529.49 = 409,402.76/x
  3. Step 3: Cross multiply
    748,934.51x = 1,033,529.49 × 409,402.76
  4. Step 4: Simplify right side
    748,934.51x = 423,129,820,579.75
  5. Step 5: Solve for x
    x = 423,129,820,579.75/748,934.51
  6. Step 6: Final answer
    x = 564,975.73

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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.