Home / 1,941,330.60-2,911,995.90-521,530.20

Finding the Fourth Proportional to 1,941,330.60, 2,911,995.90 and 521,530.20

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Solution

The fourth proportional to 1,941,330.60, 2,911,995.90 and 521,530.20 is: 782,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,330.60 : 2,911,995.90 = 521,530.20 : x
  2. Step 2: Convert to fraction form
    1,941,330.60/2,911,995.90 = 521,530.20/x
  3. Step 3: Cross multiply
    1,941,330.60x = 2,911,995.90 × 521,530.20
  4. Step 4: Simplify right side
    1,941,330.60x = 1,518,693,804,126.18
  5. Step 5: Solve for x
    x = 1,518,693,804,126.18/1,941,330.60
  6. Step 6: Final answer
    x = 782,295.30

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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.