Home / 1,156,678.92-1,596,216.72-647,381.28

Finding the Fourth Proportional to 1,156,678.92, 1,596,216.72 and 647,381.28

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Solution

The fourth proportional to 1,156,678.92, 1,596,216.72 and 647,381.28 is: 893,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,678.92 : 1,596,216.72 = 647,381.28 : x
  2. Step 2: Convert to fraction form
    1,156,678.92/1,596,216.72 = 647,381.28/x
  3. Step 3: Cross multiply
    1,156,678.92x = 1,596,216.72 × 647,381.28
  4. Step 4: Simplify right side
    1,156,678.92x = 1,033,360,823,351.00
  5. Step 5: Solve for x
    x = 1,033,360,823,351.00/1,156,678.92
  6. Step 6: Final answer
    x = 893,386.06

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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.