Home / 914,841.28-1,262,444.70-506,960.38

Finding the Fourth Proportional to 914,841.28, 1,262,444.70 and 506,960.38

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Solution

The fourth proportional to 914,841.28, 1,262,444.70 and 506,960.38 is: 699,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,841.28 : 1,262,444.70 = 506,960.38 : x
  2. Step 2: Convert to fraction form
    914,841.28/1,262,444.70 = 506,960.38/x
  3. Step 3: Cross multiply
    914,841.28x = 1,262,444.70 × 506,960.38
  4. Step 4: Simplify right side
    914,841.28x = 640,009,444,840.99
  5. Step 5: Solve for x
    x = 640,009,444,840.99/914,841.28
  6. Step 6: Final answer
    x = 699,585.23

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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.