Home / 1,646,710.19-2,272,411.24-911,697.21

Finding the Fourth Proportional to 1,646,710.19, 2,272,411.24 and 911,697.21

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Solution

The fourth proportional to 1,646,710.19, 2,272,411.24 and 911,697.21 is: 1,258,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,710.19 : 2,272,411.24 = 911,697.21 : x
  2. Step 2: Convert to fraction form
    1,646,710.19/2,272,411.24 = 911,697.21/x
  3. Step 3: Cross multiply
    1,646,710.19x = 2,272,411.24 × 911,697.21
  4. Step 4: Simplify right side
    1,646,710.19x = 2,071,750,987,480.64
  5. Step 5: Solve for x
    x = 2,071,750,987,480.64/1,646,710.19
  6. Step 6: Final answer
    x = 1,258,115.12

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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.