Home / 714,192.24-985,552.16-391,894.32

Finding the Fourth Proportional to 714,192.24, 985,552.16 and 391,894.32

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Solution

The fourth proportional to 714,192.24, 985,552.16 and 391,894.32 is: 540,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,192.24 : 985,552.16 = 391,894.32 : x
  2. Step 2: Convert to fraction form
    714,192.24/985,552.16 = 391,894.32/x
  3. Step 3: Cross multiply
    714,192.24x = 985,552.16 × 391,894.32
  4. Step 4: Simplify right side
    714,192.24x = 386,232,293,567.73
  5. Step 5: Solve for x
    x = 386,232,293,567.73/714,192.24
  6. Step 6: Final answer
    x = 540,795.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.