Home / 683,411.40-1,025,117.10-347,488.20

Finding the Fourth Proportional to 683,411.40, 1,025,117.10 and 347,488.20

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Solution

The fourth proportional to 683,411.40, 1,025,117.10 and 347,488.20 is: 521,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,411.40 : 1,025,117.10 = 347,488.20 : x
  2. Step 2: Convert to fraction form
    683,411.40/1,025,117.10 = 347,488.20/x
  3. Step 3: Cross multiply
    683,411.40x = 1,025,117.10 × 347,488.20
  4. Step 4: Simplify right side
    683,411.40x = 356,216,095,868.22
  5. Step 5: Solve for x
    x = 356,216,095,868.22/683,411.40
  6. Step 6: Final answer
    x = 521,232.30

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Half scale
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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.