Home / 935,651.70-1,403,477.55-579,510.90

Finding the Fourth Proportional to 935,651.70, 1,403,477.55 and 579,510.90

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Solution

The fourth proportional to 935,651.70, 1,403,477.55 and 579,510.90 is: 869,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,651.70 : 1,403,477.55 = 579,510.90 : x
  2. Step 2: Convert to fraction form
    935,651.70/1,403,477.55 = 579,510.90/x
  3. Step 3: Cross multiply
    935,651.70x = 1,403,477.55 × 579,510.90
  4. Step 4: Simplify right side
    935,651.70x = 813,330,538,130.30
  5. Step 5: Solve for x
    x = 813,330,538,130.30/935,651.70
  6. Step 6: Final answer
    x = 869,266.35

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Double scale
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Similar ratio
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1.5x scale

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.