Home / 813,752.07-1,122,932.88-451,154.76

Finding the Fourth Proportional to 813,752.07, 1,122,932.88 and 451,154.76

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Solution

The fourth proportional to 813,752.07, 1,122,932.88 and 451,154.76 is: 622,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,752.07 : 1,122,932.88 = 451,154.76 : x
  2. Step 2: Convert to fraction form
    813,752.07/1,122,932.88 = 451,154.76/x
  3. Step 3: Cross multiply
    813,752.07x = 1,122,932.88 × 451,154.76
  4. Step 4: Simplify right side
    813,752.07x = 506,616,513,972.51
  5. Step 5: Solve for x
    x = 506,616,513,972.51/813,752.07
  6. Step 6: Final answer
    x = 622,568.63

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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.