Home / 857,151.64-1,182,885.30-469,941.40

Finding the Fourth Proportional to 857,151.64, 1,182,885.30 and 469,941.40

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Solution

The fourth proportional to 857,151.64, 1,182,885.30 and 469,941.40 is: 648,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,151.64 : 1,182,885.30 = 469,941.40 : x
  2. Step 2: Convert to fraction form
    857,151.64/1,182,885.30 = 469,941.40/x
  3. Step 3: Cross multiply
    857,151.64x = 1,182,885.30 × 469,941.40
  4. Step 4: Simplify right side
    857,151.64x = 555,886,773,921.42
  5. Step 5: Solve for x
    x = 555,886,773,921.42/857,151.64
  6. Step 6: Final answer
    x = 648,527.92

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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.