Home / 662,738.47-914,591.27-368,415.89

Finding the Fourth Proportional to 662,738.47, 914,591.27 and 368,415.89

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Solution

The fourth proportional to 662,738.47, 914,591.27 and 368,415.89 is: 508,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,738.47 : 914,591.27 = 368,415.89 : x
  2. Step 2: Convert to fraction form
    662,738.47/914,591.27 = 368,415.89/x
  3. Step 3: Cross multiply
    662,738.47x = 914,591.27 × 368,415.89
  4. Step 4: Simplify right side
    662,738.47x = 336,949,953,071.36
  5. Step 5: Solve for x
    x = 336,949,953,071.36/662,738.47
  6. Step 6: Final answer
    x = 508,420.70

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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.