Home / 674,263.62-1,011,543.18-253,539.54

Finding the Fourth Proportional to 674,263.62, 1,011,543.18 and 253,539.54

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Solution

The fourth proportional to 674,263.62, 1,011,543.18 and 253,539.54 is: 380,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,263.62 : 1,011,543.18 = 253,539.54 : x
  2. Step 2: Convert to fraction form
    674,263.62/1,011,543.18 = 253,539.54/x
  3. Step 3: Cross multiply
    674,263.62x = 1,011,543.18 × 253,539.54
  4. Step 4: Simplify right side
    674,263.62x = 256,466,192,547.34
  5. Step 5: Solve for x
    x = 256,466,192,547.34/674,263.62
  6. Step 6: Final answer
    x = 380,364.87

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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.