Home / 1,326,454.47-1,990,102.37-473,507.41

Finding the Fourth Proportional to 1,326,454.47, 1,990,102.37 and 473,507.41

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Solution

The fourth proportional to 1,326,454.47, 1,990,102.37 and 473,507.41 is: 710,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,454.47 : 1,990,102.37 = 473,507.41 : x
  2. Step 2: Convert to fraction form
    1,326,454.47/1,990,102.37 = 473,507.41/x
  3. Step 3: Cross multiply
    1,326,454.47x = 1,990,102.37 × 473,507.41
  4. Step 4: Simplify right side
    1,326,454.47x = 942,328,218,853.56
  5. Step 5: Solve for x
    x = 942,328,218,853.56/1,326,454.47
  6. Step 6: Final answer
    x = 710,411.28

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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.