Home / 1,064,109.80-1,594,091.10-642,132.20

Finding the Fourth Proportional to 1,064,109.80, 1,594,091.10 and 642,132.20

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Solution

The fourth proportional to 1,064,109.80, 1,594,091.10 and 642,132.20 is: 961,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,109.80 : 1,594,091.10 = 642,132.20 : x
  2. Step 2: Convert to fraction form
    1,064,109.80/1,594,091.10 = 642,132.20/x
  3. Step 3: Cross multiply
    1,064,109.80x = 1,594,091.10 × 642,132.20
  4. Step 4: Simplify right side
    1,064,109.80x = 1,023,617,225,043.42
  5. Step 5: Solve for x
    x = 1,023,617,225,043.42/1,064,109.80
  6. Step 6: Final answer
    x = 961,947.00

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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.