Home / 1,111,099.29-1,666,782.41-391,292.22

Finding the Fourth Proportional to 1,111,099.29, 1,666,782.41 and 391,292.22

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Solution

The fourth proportional to 1,111,099.29, 1,666,782.41 and 391,292.22 is: 586,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,099.29 : 1,666,782.41 = 391,292.22 : x
  2. Step 2: Convert to fraction form
    1,111,099.29/1,666,782.41 = 391,292.22/x
  3. Step 3: Cross multiply
    1,111,099.29x = 1,666,782.41 × 391,292.22
  4. Step 4: Simplify right side
    1,111,099.29x = 652,198,989,465.85
  5. Step 5: Solve for x
    x = 652,198,989,465.85/1,111,099.29
  6. Step 6: Final answer
    x = 586,985.34

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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.