Home / 1,872,985.32-2,809,479.60-453,042.90

Finding the Fourth Proportional to 1,872,985.32, 2,809,479.60 and 453,042.90

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Solution

The fourth proportional to 1,872,985.32, 2,809,479.60 and 453,042.90 is: 679,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,985.32 : 2,809,479.60 = 453,042.90 : x
  2. Step 2: Convert to fraction form
    1,872,985.32/2,809,479.60 = 453,042.90/x
  3. Step 3: Cross multiply
    1,872,985.32x = 2,809,479.60 × 453,042.90
  4. Step 4: Simplify right side
    1,872,985.32x = 1,272,814,785,474.84
  5. Step 5: Solve for x
    x = 1,272,814,785,474.84/1,872,985.32
  6. Step 6: Final answer
    x = 679,564.74

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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.