Home / 898,981.16-1,240,631.71-517,008.24

Finding the Fourth Proportional to 898,981.16, 1,240,631.71 and 517,008.24

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Solution

The fourth proportional to 898,981.16, 1,240,631.71 and 517,008.24 is: 713,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,981.16 : 1,240,631.71 = 517,008.24 : x
  2. Step 2: Convert to fraction form
    898,981.16/1,240,631.71 = 517,008.24/x
  3. Step 3: Cross multiply
    898,981.16x = 1,240,631.71 × 517,008.24
  4. Step 4: Simplify right side
    898,981.16x = 641,416,815,582.77
  5. Step 5: Solve for x
    x = 641,416,815,582.77/898,981.16
  6. Step 6: Final answer
    x = 713,493.06

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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.