Home / 1,695,405.11-2,339,661.09-921,036.47

Finding the Fourth Proportional to 1,695,405.11, 2,339,661.09 and 921,036.47

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Solution

The fourth proportional to 1,695,405.11, 2,339,661.09 and 921,036.47 is: 1,271,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,405.11 : 2,339,661.09 = 921,036.47 : x
  2. Step 2: Convert to fraction form
    1,695,405.11/2,339,661.09 = 921,036.47/x
  3. Step 3: Cross multiply
    1,695,405.11x = 2,339,661.09 × 921,036.47
  4. Step 4: Simplify right side
    1,695,405.11x = 2,154,913,179,631.65
  5. Step 5: Solve for x
    x = 2,154,913,179,631.65/1,695,405.11
  6. Step 6: Final answer
    x = 1,271,031.43

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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.