Home / 1,069,149.60-1,602,428.40-619,005.60

Finding the Fourth Proportional to 1,069,149.60, 1,602,428.40 and 619,005.60

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Solution

The fourth proportional to 1,069,149.60, 1,602,428.40 and 619,005.60 is: 927,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,149.60 : 1,602,428.40 = 619,005.60 : x
  2. Step 2: Convert to fraction form
    1,069,149.60/1,602,428.40 = 619,005.60/x
  3. Step 3: Cross multiply
    1,069,149.60x = 1,602,428.40 × 619,005.60
  4. Step 4: Simplify right side
    1,069,149.60x = 991,912,153,199.04
  5. Step 5: Solve for x
    x = 991,912,153,199.04/1,069,149.60
  6. Step 6: Final answer
    x = 927,758.05

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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.