Home / 826,384.48-1,140,419.52-458,885.92

Finding the Fourth Proportional to 826,384.48, 1,140,419.52 and 458,885.92

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Solution

The fourth proportional to 826,384.48, 1,140,419.52 and 458,885.92 is: 633,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,384.48 : 1,140,419.52 = 458,885.92 : x
  2. Step 2: Convert to fraction form
    826,384.48/1,140,419.52 = 458,885.92/x
  3. Step 3: Cross multiply
    826,384.48x = 1,140,419.52 × 458,885.92
  4. Step 4: Simplify right side
    826,384.48x = 523,322,460,621.16
  5. Step 5: Solve for x
    x = 523,322,460,621.16/826,384.48
  6. Step 6: Final answer
    x = 633,267.53

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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.