Home / 1,157,029.30-1,736,528.10-518,315.95

Finding the Fourth Proportional to 1,157,029.30, 1,736,528.10 and 518,315.95

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Solution

The fourth proportional to 1,157,029.30, 1,736,528.10 and 518,315.95 is: 777,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,029.30 : 1,736,528.10 = 518,315.95 : x
  2. Step 2: Convert to fraction form
    1,157,029.30/1,736,528.10 = 518,315.95/x
  3. Step 3: Cross multiply
    1,157,029.30x = 1,736,528.10 × 518,315.95
  4. Step 4: Simplify right side
    1,157,029.30x = 900,070,211,853.20
  5. Step 5: Solve for x
    x = 900,070,211,853.20/1,157,029.30
  6. Step 6: Final answer
    x = 777,914.80

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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.