Home / 1,098,830.81-1,648,808.80-523,105.70

Finding the Fourth Proportional to 1,098,830.81, 1,648,808.80 and 523,105.70

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Solution

The fourth proportional to 1,098,830.81, 1,648,808.80 and 523,105.70 is: 784,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,830.81 : 1,648,808.80 = 523,105.70 : x
  2. Step 2: Convert to fraction form
    1,098,830.81/1,648,808.80 = 523,105.70/x
  3. Step 3: Cross multiply
    1,098,830.81x = 1,648,808.80 × 523,105.70
  4. Step 4: Simplify right side
    1,098,830.81x = 862,501,271,938.35
  5. Step 5: Solve for x
    x = 862,501,271,938.35/1,098,830.81
  6. Step 6: Final answer
    x = 784,926.36

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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.