Home / 1,152,030.16-1,589,806.20-642,754

Finding the Fourth Proportional to 1,152,030.16, 1,589,806.20 and 642,754

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Solution

The fourth proportional to 1,152,030.16, 1,589,806.20 and 642,754 is: 887,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,030.16 : 1,589,806.20 = 642,754 : x
  2. Step 2: Convert to fraction form
    1,152,030.16/1,589,806.20 = 642,754/x
  3. Step 3: Cross multiply
    1,152,030.16x = 1,589,806.20 × 642,754
  4. Step 4: Simplify right side
    1,152,030.16x = 1,021,854,294,274.80
  5. Step 5: Solve for x
    x = 1,021,854,294,274.80/1,152,030.16
  6. Step 6: Final answer
    x = 887,003.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.