Home / 1,139,484.92-1,572,520.74-630,219.56

Finding the Fourth Proportional to 1,139,484.92, 1,572,520.74 and 630,219.56

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Solution

The fourth proportional to 1,139,484.92, 1,572,520.74 and 630,219.56 is: 869,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,484.92 : 1,572,520.74 = 630,219.56 : x
  2. Step 2: Convert to fraction form
    1,139,484.92/1,572,520.74 = 630,219.56/x
  3. Step 3: Cross multiply
    1,139,484.92x = 1,572,520.74 × 630,219.56
  4. Step 4: Simplify right side
    1,139,484.92x = 991,033,328,853.68
  5. Step 5: Solve for x
    x = 991,033,328,853.68/1,139,484.92
  6. Step 6: Final answer
    x = 869,720.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.