Home / 745,697.60-1,117,758.72-535,221.44

Finding the Fourth Proportional to 745,697.60, 1,117,758.72 and 535,221.44

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Solution

The fourth proportional to 745,697.60, 1,117,758.72 and 535,221.44 is: 802,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,697.60 : 1,117,758.72 = 535,221.44 : x
  2. Step 2: Convert to fraction form
    745,697.60/1,117,758.72 = 535,221.44/x
  3. Step 3: Cross multiply
    745,697.60x = 1,117,758.72 × 535,221.44
  4. Step 4: Simplify right side
    745,697.60x = 598,248,431,690.96
  5. Step 5: Solve for x
    x = 598,248,431,690.96/745,697.60
  6. Step 6: Final answer
    x = 802,266.81

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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.