Home / 948,764.16-1,309,292.16-519,043.20

Finding the Fourth Proportional to 948,764.16, 1,309,292.16 and 519,043.20

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Solution

The fourth proportional to 948,764.16, 1,309,292.16 and 519,043.20 is: 716,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,764.16 : 1,309,292.16 = 519,043.20 : x
  2. Step 2: Convert to fraction form
    948,764.16/1,309,292.16 = 519,043.20/x
  3. Step 3: Cross multiply
    948,764.16x = 1,309,292.16 × 519,043.20
  4. Step 4: Simplify right side
    948,764.16x = 679,579,192,461.31
  5. Step 5: Solve for x
    x = 679,579,192,461.31/948,764.16
  6. Step 6: Final answer
    x = 716,278.31

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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.