Home / 1,569,018.45-2,353,527.68-431,778.45

Finding the Fourth Proportional to 1,569,018.45, 2,353,527.68 and 431,778.45

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Solution

The fourth proportional to 1,569,018.45, 2,353,527.68 and 431,778.45 is: 647,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,018.45 : 2,353,527.68 = 431,778.45 : x
  2. Step 2: Convert to fraction form
    1,569,018.45/2,353,527.68 = 431,778.45/x
  3. Step 3: Cross multiply
    1,569,018.45x = 2,353,527.68 × 431,778.45
  4. Step 4: Simplify right side
    1,569,018.45x = 1,016,202,531,543.60
  5. Step 5: Solve for x
    x = 1,016,202,531,543.60/1,569,018.45
  6. Step 6: Final answer
    x = 647,667.68

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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.