Home / 832,811.10-1,249,216.65-359,166.30

Finding the Fourth Proportional to 832,811.10, 1,249,216.65 and 359,166.30

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Solution

The fourth proportional to 832,811.10, 1,249,216.65 and 359,166.30 is: 538,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,811.10 : 1,249,216.65 = 359,166.30 : x
  2. Step 2: Convert to fraction form
    832,811.10/1,249,216.65 = 359,166.30/x
  3. Step 3: Cross multiply
    832,811.10x = 1,249,216.65 × 359,166.30
  4. Step 4: Simplify right side
    832,811.10x = 448,676,522,078.90
  5. Step 5: Solve for x
    x = 448,676,522,078.90/832,811.10
  6. Step 6: Final answer
    x = 538,749.45

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Double scale
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Similar ratio
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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.