Home / 1,315,027.80-1,972,541.70-473,470.20

Finding the Fourth Proportional to 1,315,027.80, 1,972,541.70 and 473,470.20

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Solution

The fourth proportional to 1,315,027.80, 1,972,541.70 and 473,470.20 is: 710,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,027.80 : 1,972,541.70 = 473,470.20 : x
  2. Step 2: Convert to fraction form
    1,315,027.80/1,972,541.70 = 473,470.20/x
  3. Step 3: Cross multiply
    1,315,027.80x = 1,972,541.70 × 473,470.20
  4. Step 4: Simplify right side
    1,315,027.80x = 933,939,713,207.34
  5. Step 5: Solve for x
    x = 933,939,713,207.34/1,315,027.80
  6. Step 6: Final answer
    x = 710,205.30

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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.