Home / 418,749.93-577,822.46-283,079.07

Finding the Fourth Proportional to 418,749.93, 577,822.46 and 283,079.07

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Solution

The fourth proportional to 418,749.93, 577,822.46 and 283,079.07 is: 390,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,749.93 : 577,822.46 = 283,079.07 : x
  2. Step 2: Convert to fraction form
    418,749.93/577,822.46 = 283,079.07/x
  3. Step 3: Cross multiply
    418,749.93x = 577,822.46 × 283,079.07
  4. Step 4: Simplify right side
    418,749.93x = 163,569,443,186.52
  5. Step 5: Solve for x
    x = 163,569,443,186.52/418,749.93
  6. Step 6: Final answer
    x = 390,613.66

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1.5x scale

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.