Home / 913,208.28-1,369,604.50-344,649.63

Finding the Fourth Proportional to 913,208.28, 1,369,604.50 and 344,649.63

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Solution

The fourth proportional to 913,208.28, 1,369,604.50 and 344,649.63 is: 516,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,208.28 : 1,369,604.50 = 344,649.63 : x
  2. Step 2: Convert to fraction form
    913,208.28/1,369,604.50 = 344,649.63/x
  3. Step 3: Cross multiply
    913,208.28x = 1,369,604.50 × 344,649.63
  4. Step 4: Simplify right side
    913,208.28x = 472,033,688,445.73
  5. Step 5: Solve for x
    x = 472,033,688,445.73/913,208.28
  6. Step 6: Final answer
    x = 516,895.98

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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.