Home / 535,943.04-803,638.08-220,341.12

Finding the Fourth Proportional to 535,943.04, 803,638.08 and 220,341.12

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Solution

The fourth proportional to 535,943.04, 803,638.08 and 220,341.12 is: 330,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,943.04 : 803,638.08 = 220,341.12 : x
  2. Step 2: Convert to fraction form
    535,943.04/803,638.08 = 220,341.12/x
  3. Step 3: Cross multiply
    535,943.04x = 803,638.08 × 220,341.12
  4. Step 4: Simplify right side
    535,943.04x = 177,074,514,621.85
  5. Step 5: Solve for x
    x = 177,074,514,621.85/535,943.04
  6. Step 6: Final answer
    x = 330,398.01

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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.