Home / 898,760.62-1,240,298.13-511,557.14

Finding the Fourth Proportional to 898,760.62, 1,240,298.13 and 511,557.14

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Solution

The fourth proportional to 898,760.62, 1,240,298.13 and 511,557.14 is: 705,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,760.62 : 1,240,298.13 = 511,557.14 : x
  2. Step 2: Convert to fraction form
    898,760.62/1,240,298.13 = 511,557.14/x
  3. Step 3: Cross multiply
    898,760.62x = 1,240,298.13 × 511,557.14
  4. Step 4: Simplify right side
    898,760.62x = 634,483,364,130.15
  5. Step 5: Solve for x
    x = 634,483,364,130.15/898,760.62
  6. Step 6: Final answer
    x = 705,953.68

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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.