Home / 1,763,987.60-2,643,259.80-1,312,590.80

Finding the Fourth Proportional to 1,763,987.60, 2,643,259.80 and 1,312,590.80

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Solution

The fourth proportional to 1,763,987.60, 2,643,259.80 and 1,312,590.80 is: 1,966,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,987.60 : 2,643,259.80 = 1,312,590.80 : x
  2. Step 2: Convert to fraction form
    1,763,987.60/2,643,259.80 = 1,312,590.80/x
  3. Step 3: Cross multiply
    1,763,987.60x = 2,643,259.80 × 1,312,590.80
  4. Step 4: Simplify right side
    1,763,987.60x = 3,469,518,495,489.84
  5. Step 5: Solve for x
    x = 3,469,518,495,489.84/1,763,987.60
  6. Step 6: Final answer
    x = 1,966,861.05

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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.