Home / 969,639.85-1,338,090.22-534,048.83

Finding the Fourth Proportional to 969,639.85, 1,338,090.22 and 534,048.83

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Solution

The fourth proportional to 969,639.85, 1,338,090.22 and 534,048.83 is: 736,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,639.85 : 1,338,090.22 = 534,048.83 : x
  2. Step 2: Convert to fraction form
    969,639.85/1,338,090.22 = 534,048.83/x
  3. Step 3: Cross multiply
    969,639.85x = 1,338,090.22 × 534,048.83
  4. Step 4: Simplify right side
    969,639.85x = 714,605,516,425.44
  5. Step 5: Solve for x
    x = 714,605,516,425.44/969,639.85
  6. Step 6: Final answer
    x = 736,980.35

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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.