Home / 949,358.20-1,310,063.60-519,555.20

Finding the Fourth Proportional to 949,358.20, 1,310,063.60 and 519,555.20

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Solution

The fourth proportional to 949,358.20, 1,310,063.60 and 519,555.20 is: 716,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,358.20 : 1,310,063.60 = 519,555.20 : x
  2. Step 2: Convert to fraction form
    949,358.20/1,310,063.60 = 519,555.20/x
  3. Step 3: Cross multiply
    949,358.20x = 1,310,063.60 × 519,555.20
  4. Step 4: Simplify right side
    949,358.20x = 680,650,355,710.72
  5. Step 5: Solve for x
    x = 680,650,355,710.72/949,358.20
  6. Step 6: Final answer
    x = 716,958.42

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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.