Home / 671,667.40-1,007,501.10-633,176.20

Finding the Fourth Proportional to 671,667.40, 1,007,501.10 and 633,176.20

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Solution

The fourth proportional to 671,667.40, 1,007,501.10 and 633,176.20 is: 949,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,667.40 : 1,007,501.10 = 633,176.20 : x
  2. Step 2: Convert to fraction form
    671,667.40/1,007,501.10 = 633,176.20/x
  3. Step 3: Cross multiply
    671,667.40x = 1,007,501.10 × 633,176.20
  4. Step 4: Simplify right side
    671,667.40x = 637,925,717,993.82
  5. Step 5: Solve for x
    x = 637,925,717,993.82/671,667.40
  6. Step 6: Final answer
    x = 949,764.30

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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.