Home / 1,212,557.40-1,818,836.10-502,349.40

Finding the Fourth Proportional to 1,212,557.40, 1,818,836.10 and 502,349.40

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Solution

The fourth proportional to 1,212,557.40, 1,818,836.10 and 502,349.40 is: 753,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,557.40 : 1,818,836.10 = 502,349.40 : x
  2. Step 2: Convert to fraction form
    1,212,557.40/1,818,836.10 = 502,349.40/x
  3. Step 3: Cross multiply
    1,212,557.40x = 1,818,836.10 × 502,349.40
  4. Step 4: Simplify right side
    1,212,557.40x = 913,691,223,533.34
  5. Step 5: Solve for x
    x = 913,691,223,533.34/1,212,557.40
  6. Step 6: Final answer
    x = 753,524.10

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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.