Home / 1,159,039.31-1,599,570-642,959.59

Finding the Fourth Proportional to 1,159,039.31, 1,599,570 and 642,959.59

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Solution

The fourth proportional to 1,159,039.31, 1,599,570 and 642,959.59 is: 887,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,039.31 : 1,599,570 = 642,959.59 : x
  2. Step 2: Convert to fraction form
    1,159,039.31/1,599,570 = 642,959.59/x
  3. Step 3: Cross multiply
    1,159,039.31x = 1,599,570 × 642,959.59
  4. Step 4: Simplify right side
    1,159,039.31x = 1,028,458,871,376.30
  5. Step 5: Solve for x
    x = 1,028,458,871,376.30/1,159,039.31
  6. Step 6: Final answer
    x = 887,337.35

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1.5x scale

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.