Home / 1,232,389.27-1,700,405.72-715,836.23

Finding the Fourth Proportional to 1,232,389.27, 1,700,405.72 and 715,836.23

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Solution

The fourth proportional to 1,232,389.27, 1,700,405.72 and 715,836.23 is: 987,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,389.27 : 1,700,405.72 = 715,836.23 : x
  2. Step 2: Convert to fraction form
    1,232,389.27/1,700,405.72 = 715,836.23/x
  3. Step 3: Cross multiply
    1,232,389.27x = 1,700,405.72 × 715,836.23
  4. Step 4: Simplify right side
    1,232,389.27x = 1,217,212,020,075.24
  5. Step 5: Solve for x
    x = 1,217,212,020,075.24/1,232,389.27
  6. Step 6: Final answer
    x = 987,684.69

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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.