Home / 1,188,559.40-1,782,051.90-656,335.40

Finding the Fourth Proportional to 1,188,559.40, 1,782,051.90 and 656,335.40

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Solution

The fourth proportional to 1,188,559.40, 1,782,051.90 and 656,335.40 is: 984,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,559.40 : 1,782,051.90 = 656,335.40 : x
  2. Step 2: Convert to fraction form
    1,188,559.40/1,782,051.90 = 656,335.40/x
  3. Step 3: Cross multiply
    1,188,559.40x = 1,782,051.90 × 656,335.40
  4. Step 4: Simplify right side
    1,188,559.40x = 1,169,623,746,607.26
  5. Step 5: Solve for x
    x = 1,169,623,746,607.26/1,188,559.40
  6. Step 6: Final answer
    x = 984,068.40

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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.