Home / 926,800.11-1,278,923.51-518,898.15

Finding the Fourth Proportional to 926,800.11, 1,278,923.51 and 518,898.15

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Solution

The fourth proportional to 926,800.11, 1,278,923.51 and 518,898.15 is: 716,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,800.11 : 1,278,923.51 = 518,898.15 : x
  2. Step 2: Convert to fraction form
    926,800.11/1,278,923.51 = 518,898.15/x
  3. Step 3: Cross multiply
    926,800.11x = 1,278,923.51 × 518,898.15
  4. Step 4: Simplify right side
    926,800.11x = 663,631,044,627.75
  5. Step 5: Solve for x
    x = 663,631,044,627.75/926,800.11
  6. Step 6: Final answer
    x = 716,045.50

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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.