Home / 1,693,708.18-2,337,307.32-919,354.39

Finding the Fourth Proportional to 1,693,708.18, 2,337,307.32 and 919,354.39

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Solution

The fourth proportional to 1,693,708.18, 2,337,307.32 and 919,354.39 is: 1,268,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,708.18 : 2,337,307.32 = 919,354.39 : x
  2. Step 2: Convert to fraction form
    1,693,708.18/2,337,307.32 = 919,354.39/x
  3. Step 3: Cross multiply
    1,693,708.18x = 2,337,307.32 × 919,354.39
  4. Step 4: Simplify right side
    1,693,708.18x = 2,148,813,745,421.13
  5. Step 5: Solve for x
    x = 2,148,813,745,421.13/1,693,708.18
  6. Step 6: Final answer
    x = 1,268,703.65

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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.