Home / 782,637.57-1,174,482.45-277,196.76

Finding the Fourth Proportional to 782,637.57, 1,174,482.45 and 277,196.76

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Solution

The fourth proportional to 782,637.57, 1,174,482.45 and 277,196.76 is: 415,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,637.57 : 1,174,482.45 = 277,196.76 : x
  2. Step 2: Convert to fraction form
    782,637.57/1,174,482.45 = 277,196.76/x
  3. Step 3: Cross multiply
    782,637.57x = 1,174,482.45 × 277,196.76
  4. Step 4: Simplify right side
    782,637.57x = 325,562,729,816.86
  5. Step 5: Solve for x
    x = 325,562,729,816.86/782,637.57
  6. Step 6: Final answer
    x = 415,981.47

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Double scale
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1.5x scale

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.