Home / 1,695,561.64-2,339,901.61-921,207.82

Finding the Fourth Proportional to 1,695,561.64, 2,339,901.61 and 921,207.82

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Solution

The fourth proportional to 1,695,561.64, 2,339,901.61 and 921,207.82 is: 1,271,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,561.64 : 2,339,901.61 = 921,207.82 : x
  2. Step 2: Convert to fraction form
    1,695,561.64/2,339,901.61 = 921,207.82/x
  3. Step 3: Cross multiply
    1,695,561.64x = 2,339,901.61 × 921,207.82
  4. Step 4: Simplify right side
    1,695,561.64x = 2,155,535,653,009.82
  5. Step 5: Solve for x
    x = 2,155,535,653,009.82/1,695,561.64
  6. Step 6: Final answer
    x = 1,271,281.21

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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.