Home / 1,487,857.60-2,053,263.90-808,808.68

Finding the Fourth Proportional to 1,487,857.60, 2,053,263.90 and 808,808.68

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Solution

The fourth proportional to 1,487,857.60, 2,053,263.90 and 808,808.68 is: 1,116,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,857.60 : 2,053,263.90 = 808,808.68 : x
  2. Step 2: Convert to fraction form
    1,487,857.60/2,053,263.90 = 808,808.68/x
  3. Step 3: Cross multiply
    1,487,857.60x = 2,053,263.90 × 808,808.68
  4. Step 4: Simplify right side
    1,487,857.60x = 1,660,697,664,650.65
  5. Step 5: Solve for x
    x = 1,660,697,664,650.65/1,487,857.60
  6. Step 6: Final answer
    x = 1,116,167.07

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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.