Home / 1,153,750.05-1,592,143.97-630,439.83

Finding the Fourth Proportional to 1,153,750.05, 1,592,143.97 and 630,439.83

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Solution

The fourth proportional to 1,153,750.05, 1,592,143.97 and 630,439.83 is: 869,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,750.05 : 1,592,143.97 = 630,439.83 : x
  2. Step 2: Convert to fraction form
    1,153,750.05/1,592,143.97 = 630,439.83/x
  3. Step 3: Cross multiply
    1,153,750.05x = 1,592,143.97 × 630,439.83
  4. Step 4: Simplify right side
    1,153,750.05x = 1,003,750,970,630.13
  5. Step 5: Solve for x
    x = 1,003,750,970,630.13/1,153,750.05
  6. Step 6: Final answer
    x = 869,989.97

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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.