Home / 1,326,453.74-1,990,101.17-473,507.10

Finding the Fourth Proportional to 1,326,453.74, 1,990,101.17 and 473,507.10

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Solution

The fourth proportional to 1,326,453.74, 1,990,101.17 and 473,507.10 is: 710,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,453.74 : 1,990,101.17 = 473,507.10 : x
  2. Step 2: Convert to fraction form
    1,326,453.74/1,990,101.17 = 473,507.10/x
  3. Step 3: Cross multiply
    1,326,453.74x = 1,990,101.17 × 473,507.10
  4. Step 4: Simplify right side
    1,326,453.74x = 942,327,034,897.08
  5. Step 5: Solve for x
    x = 942,327,034,897.08/1,326,453.74
  6. Step 6: Final answer
    x = 710,410.78

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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.