Home / 389,262.42-583,613.40-239,192.66

Finding the Fourth Proportional to 389,262.42, 583,613.40 and 239,192.66

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Solution

The fourth proportional to 389,262.42, 583,613.40 and 239,192.66 is: 358,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,262.42 : 583,613.40 = 239,192.66 : x
  2. Step 2: Convert to fraction form
    389,262.42/583,613.40 = 239,192.66/x
  3. Step 3: Cross multiply
    389,262.42x = 583,613.40 × 239,192.66
  4. Step 4: Simplify right side
    389,262.42x = 139,596,041,557.64
  5. Step 5: Solve for x
    x = 139,596,041,557.64/389,262.42
  6. Step 6: Final answer
    x = 358,616.80

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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.