Home / 1,235,255.70-1,852,883.55-477,132.15

Finding the Fourth Proportional to 1,235,255.70, 1,852,883.55 and 477,132.15

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Solution

The fourth proportional to 1,235,255.70, 1,852,883.55 and 477,132.15 is: 715,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,255.70 : 1,852,883.55 = 477,132.15 : x
  2. Step 2: Convert to fraction form
    1,235,255.70/1,852,883.55 = 477,132.15/x
  3. Step 3: Cross multiply
    1,235,255.70x = 1,852,883.55 × 477,132.15
  4. Step 4: Simplify right side
    1,235,255.70x = 884,070,311,911.13
  5. Step 5: Solve for x
    x = 884,070,311,911.13/1,235,255.70
  6. Step 6: Final answer
    x = 715,698.23

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Double scale
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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.