Home / 1,585,504.04-2,187,080.53-1,011,897.68

Finding the Fourth Proportional to 1,585,504.04, 2,187,080.53 and 1,011,897.68

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Solution

The fourth proportional to 1,585,504.04, 2,187,080.53 and 1,011,897.68 is: 1,395,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,504.04 : 2,187,080.53 = 1,011,897.68 : x
  2. Step 2: Convert to fraction form
    1,585,504.04/2,187,080.53 = 1,011,897.68/x
  3. Step 3: Cross multiply
    1,585,504.04x = 2,187,080.53 × 1,011,897.68
  4. Step 4: Simplify right side
    1,585,504.04x = 2,213,101,700,815.02
  5. Step 5: Solve for x
    x = 2,213,101,700,815.02/1,585,504.04
  6. Step 6: Final answer
    x = 1,395,834.80

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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.