Home / 928,499.48-1,280,857.65-606,398.12

Finding the Fourth Proportional to 928,499.48, 1,280,857.65 and 606,398.12

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Solution

The fourth proportional to 928,499.48, 1,280,857.65 and 606,398.12 is: 836,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,499.48 : 1,280,857.65 = 606,398.12 : x
  2. Step 2: Convert to fraction form
    928,499.48/1,280,857.65 = 606,398.12/x
  3. Step 3: Cross multiply
    928,499.48x = 1,280,857.65 × 606,398.12
  4. Step 4: Simplify right side
    928,499.48x = 776,709,670,947.62
  5. Step 5: Solve for x
    x = 776,709,670,947.62/928,499.48
  6. Step 6: Final answer
    x = 836,521.38

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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.