Home / 718,619.55-991,444.57-460,638.76

Finding the Fourth Proportional to 718,619.55, 991,444.57 and 460,638.76

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Solution

The fourth proportional to 718,619.55, 991,444.57 and 460,638.76 is: 635,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,619.55 : 991,444.57 = 460,638.76 : x
  2. Step 2: Convert to fraction form
    718,619.55/991,444.57 = 460,638.76/x
  3. Step 3: Cross multiply
    718,619.55x = 991,444.57 × 460,638.76
  4. Step 4: Simplify right side
    718,619.55x = 456,697,797,333.53
  5. Step 5: Solve for x
    x = 456,697,797,333.53/718,619.55
  6. Step 6: Final answer
    x = 635,520.98

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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.