Home / 630,030.60-945,045.90-621,736.20

Finding the Fourth Proportional to 630,030.60, 945,045.90 and 621,736.20

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Solution

The fourth proportional to 630,030.60, 945,045.90 and 621,736.20 is: 932,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,030.60 : 945,045.90 = 621,736.20 : x
  2. Step 2: Convert to fraction form
    630,030.60/945,045.90 = 621,736.20/x
  3. Step 3: Cross multiply
    630,030.60x = 945,045.90 × 621,736.20
  4. Step 4: Simplify right side
    630,030.60x = 587,569,246,691.58
  5. Step 5: Solve for x
    x = 587,569,246,691.58/630,030.60
  6. Step 6: Final answer
    x = 932,604.30

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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.