Home / 977,763.40-1,466,645.10-906,904.60

Finding the Fourth Proportional to 977,763.40, 1,466,645.10 and 906,904.60

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Solution

The fourth proportional to 977,763.40, 1,466,645.10 and 906,904.60 is: 1,360,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,763.40 : 1,466,645.10 = 906,904.60 : x
  2. Step 2: Convert to fraction form
    977,763.40/1,466,645.10 = 906,904.60/x
  3. Step 3: Cross multiply
    977,763.40x = 1,466,645.10 × 906,904.60
  4. Step 4: Simplify right side
    977,763.40x = 1,330,107,187,757.46
  5. Step 5: Solve for x
    x = 1,330,107,187,757.46/977,763.40
  6. Step 6: Final answer
    x = 1,360,356.90

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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.