Home / 1,036,138.56-1,554,202.08-326,218.56

Finding the Fourth Proportional to 1,036,138.56, 1,554,202.08 and 326,218.56

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Solution

The fourth proportional to 1,036,138.56, 1,554,202.08 and 326,218.56 is: 489,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,138.56 : 1,554,202.08 = 326,218.56 : x
  2. Step 2: Convert to fraction form
    1,036,138.56/1,554,202.08 = 326,218.56/x
  3. Step 3: Cross multiply
    1,036,138.56x = 1,554,202.08 × 326,218.56
  4. Step 4: Simplify right side
    1,036,138.56x = 507,009,564,486.61
  5. Step 5: Solve for x
    x = 507,009,564,486.61/1,036,138.56
  6. Step 6: Final answer
    x = 489,326.03

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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.