Home / 589,427.40-884,141.10-352,648.20

Finding the Fourth Proportional to 589,427.40, 884,141.10 and 352,648.20

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Solution

The fourth proportional to 589,427.40, 884,141.10 and 352,648.20 is: 528,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,427.40 : 884,141.10 = 352,648.20 : x
  2. Step 2: Convert to fraction form
    589,427.40/884,141.10 = 352,648.20/x
  3. Step 3: Cross multiply
    589,427.40x = 884,141.10 × 352,648.20
  4. Step 4: Simplify right side
    589,427.40x = 311,790,767,461.02
  5. Step 5: Solve for x
    x = 311,790,767,461.02/589,427.40
  6. Step 6: Final answer
    x = 528,972.30

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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.