Home / 1,940,264.40-2,909,359.80-817,064.40

Finding the Fourth Proportional to 1,940,264.40, 2,909,359.80 and 817,064.40

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Solution

The fourth proportional to 1,940,264.40, 2,909,359.80 and 817,064.40 is: 1,225,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,264.40 : 2,909,359.80 = 817,064.40 : x
  2. Step 2: Convert to fraction form
    1,940,264.40/2,909,359.80 = 817,064.40/x
  3. Step 3: Cross multiply
    1,940,264.40x = 2,909,359.80 × 817,064.40
  4. Step 4: Simplify right side
    1,940,264.40x = 2,377,134,319,371.12
  5. Step 5: Solve for x
    x = 2,377,134,319,371.12/1,940,264.40
  6. Step 6: Final answer
    x = 1,225,159.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.