Home / 1,111,010.44-1,666,459.83-391,387.78

Finding the Fourth Proportional to 1,111,010.44, 1,666,459.83 and 391,387.78

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Solution

The fourth proportional to 1,111,010.44, 1,666,459.83 and 391,387.78 is: 587,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,010.44 : 1,666,459.83 = 391,387.78 : x
  2. Step 2: Convert to fraction form
    1,111,010.44/1,666,459.83 = 391,387.78/x
  3. Step 3: Cross multiply
    1,111,010.44x = 1,666,459.83 × 391,387.78
  4. Step 4: Simplify right side
    1,111,010.44x = 652,232,013,322.88
  5. Step 5: Solve for x
    x = 652,232,013,322.88/1,111,010.44
  6. Step 6: Final answer
    x = 587,062.00

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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.