Home / 1,359,939.80-2,039,909.70-473,475.80

Finding the Fourth Proportional to 1,359,939.80, 2,039,909.70 and 473,475.80

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Solution

The fourth proportional to 1,359,939.80, 2,039,909.70 and 473,475.80 is: 710,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,939.80 : 2,039,909.70 = 473,475.80 : x
  2. Step 2: Convert to fraction form
    1,359,939.80/2,039,909.70 = 473,475.80/x
  3. Step 3: Cross multiply
    1,359,939.80x = 2,039,909.70 × 473,475.80
  4. Step 4: Simplify right side
    1,359,939.80x = 965,847,877,135.26
  5. Step 5: Solve for x
    x = 965,847,877,135.26/1,359,939.80
  6. Step 6: Final answer
    x = 710,213.70

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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.