Home / 1,402,186.60-2,103,279.90-655,690.60

Finding the Fourth Proportional to 1,402,186.60, 2,103,279.90 and 655,690.60

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Solution

The fourth proportional to 1,402,186.60, 2,103,279.90 and 655,690.60 is: 983,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,186.60 : 2,103,279.90 = 655,690.60 : x
  2. Step 2: Convert to fraction form
    1,402,186.60/2,103,279.90 = 655,690.60/x
  3. Step 3: Cross multiply
    1,402,186.60x = 2,103,279.90 × 655,690.60
  4. Step 4: Simplify right side
    1,402,186.60x = 1,379,100,859,598.94
  5. Step 5: Solve for x
    x = 1,379,100,859,598.94/1,402,186.60
  6. Step 6: Final answer
    x = 983,535.90

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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.