Home / 1,779,366.86-2,668,498.27-641,981.26

Finding the Fourth Proportional to 1,779,366.86, 2,668,498.27 and 641,981.26

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Solution

The fourth proportional to 1,779,366.86, 2,668,498.27 and 641,981.26 is: 962,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,366.86 : 2,668,498.27 = 641,981.26 : x
  2. Step 2: Convert to fraction form
    1,779,366.86/2,668,498.27 = 641,981.26/x
  3. Step 3: Cross multiply
    1,779,366.86x = 2,668,498.27 × 641,981.26
  4. Step 4: Simplify right side
    1,779,366.86x = 1,713,125,865,130.02
  5. Step 5: Solve for x
    x = 1,713,125,865,130.02/1,779,366.86
  6. Step 6: Final answer
    x = 962,772.72

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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.