Home / 1,690,512.71-2,535,925.39-611,294.63

Finding the Fourth Proportional to 1,690,512.71, 2,535,925.39 and 611,294.63

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Solution

The fourth proportional to 1,690,512.71, 2,535,925.39 and 611,294.63 is: 916,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,512.71 : 2,535,925.39 = 611,294.63 : x
  2. Step 2: Convert to fraction form
    1,690,512.71/2,535,925.39 = 611,294.63/x
  3. Step 3: Cross multiply
    1,690,512.71x = 2,535,925.39 × 611,294.63
  4. Step 4: Simplify right side
    1,690,512.71x = 1,550,197,558,779.79
  5. Step 5: Solve for x
    x = 1,550,197,558,779.79/1,690,512.71
  6. Step 6: Final answer
    x = 916,998.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.