Home / 576,421.02-864,634.07-239,461.40

Finding the Fourth Proportional to 576,421.02, 864,634.07 and 239,461.40

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Solution

The fourth proportional to 576,421.02, 864,634.07 and 239,461.40 is: 359,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,421.02 : 864,634.07 = 239,461.40 : x
  2. Step 2: Convert to fraction form
    576,421.02/864,634.07 = 239,461.40/x
  3. Step 3: Cross multiply
    576,421.02x = 864,634.07 × 239,461.40
  4. Step 4: Simplify right side
    576,421.02x = 207,046,479,369.42
  5. Step 5: Solve for x
    x = 207,046,479,369.42/576,421.02
  6. Step 6: Final answer
    x = 359,193.15

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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.