Home / 883,555.30-1,325,332.95-768,081.70

Finding the Fourth Proportional to 883,555.30, 1,325,332.95 and 768,081.70

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Solution

The fourth proportional to 883,555.30, 1,325,332.95 and 768,081.70 is: 1,152,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,555.30 : 1,325,332.95 = 768,081.70 : x
  2. Step 2: Convert to fraction form
    883,555.30/1,325,332.95 = 768,081.70/x
  3. Step 3: Cross multiply
    883,555.30x = 1,325,332.95 × 768,081.70
  4. Step 4: Simplify right side
    883,555.30x = 1,017,963,985,302.01
  5. Step 5: Solve for x
    x = 1,017,963,985,302.01/883,555.30
  6. Step 6: Final answer
    x = 1,152,122.55

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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.