Home / 826,417.45-1,140,400.48-458,875.70

Finding the Fourth Proportional to 826,417.45, 1,140,400.48 and 458,875.70

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Solution

The fourth proportional to 826,417.45, 1,140,400.48 and 458,875.70 is: 633,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,417.45 : 1,140,400.48 = 458,875.70 : x
  2. Step 2: Convert to fraction form
    826,417.45/1,140,400.48 = 458,875.70/x
  3. Step 3: Cross multiply
    826,417.45x = 1,140,400.48 × 458,875.70
  4. Step 4: Simplify right side
    826,417.45x = 523,302,065,689.34
  5. Step 5: Solve for x
    x = 523,302,065,689.34/826,417.45
  6. Step 6: Final answer
    x = 633,217.59

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Double scale
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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.