Home / 5,315,207.20-7,972,810.80-5,283,714.40

Finding the Fourth Proportional to 5,315,207.20, 7,972,810.80 and 5,283,714.40

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Solution

The fourth proportional to 5,315,207.20, 7,972,810.80 and 5,283,714.40 is: 7,925,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,207.20 : 7,972,810.80 = 5,283,714.40 : x
  2. Step 2: Convert to fraction form
    5,315,207.20/7,972,810.80 = 5,283,714.40/x
  3. Step 3: Cross multiply
    5,315,207.20x = 7,972,810.80 × 5,283,714.40
  4. Step 4: Simplify right side
    5,315,207.20x = 42,126,055,232,435.52
  5. Step 5: Solve for x
    x = 42,126,055,232,435.52/5,315,207.20
  6. Step 6: Final answer
    x = 7,925,571.60

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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.