Home / 1,029,667.90-1,544,501.85-319,767.70

Finding the Fourth Proportional to 1,029,667.90, 1,544,501.85 and 319,767.70

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Solution

The fourth proportional to 1,029,667.90, 1,544,501.85 and 319,767.70 is: 479,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,667.90 : 1,544,501.85 = 319,767.70 : x
  2. Step 2: Convert to fraction form
    1,029,667.90/1,544,501.85 = 319,767.70/x
  3. Step 3: Cross multiply
    1,029,667.90x = 1,544,501.85 × 319,767.70
  4. Step 4: Simplify right side
    1,029,667.90x = 493,881,804,220.25
  5. Step 5: Solve for x
    x = 493,881,804,220.25/1,029,667.90
  6. Step 6: Final answer
    x = 479,651.55

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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.