Home / 1,528,803.70-2,293,205.55-391,563.70

Finding the Fourth Proportional to 1,528,803.70, 2,293,205.55 and 391,563.70

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Solution

The fourth proportional to 1,528,803.70, 2,293,205.55 and 391,563.70 is: 587,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,803.70 : 2,293,205.55 = 391,563.70 : x
  2. Step 2: Convert to fraction form
    1,528,803.70/2,293,205.55 = 391,563.70/x
  3. Step 3: Cross multiply
    1,528,803.70x = 2,293,205.55 × 391,563.70
  4. Step 4: Simplify right side
    1,528,803.70x = 897,936,050,018.54
  5. Step 5: Solve for x
    x = 897,936,050,018.54/1,528,803.70
  6. Step 6: Final answer
    x = 587,345.55

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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.