Home / 1,461,526.40-2,191,123.20-619,385.60

Finding the Fourth Proportional to 1,461,526.40, 2,191,123.20 and 619,385.60

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Solution

The fourth proportional to 1,461,526.40, 2,191,123.20 and 619,385.60 is: 928,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,526.40 : 2,191,123.20 = 619,385.60 : x
  2. Step 2: Convert to fraction form
    1,461,526.40/2,191,123.20 = 619,385.60/x
  3. Step 3: Cross multiply
    1,461,526.40x = 2,191,123.20 × 619,385.60
  4. Step 4: Simplify right side
    1,461,526.40x = 1,357,150,157,905.92
  5. Step 5: Solve for x
    x = 1,357,150,157,905.92/1,461,526.40
  6. Step 6: Final answer
    x = 928,584.09

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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.