Home / 774,013.20-1,161,019.80-522,070.80

Finding the Fourth Proportional to 774,013.20, 1,161,019.80 and 522,070.80

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Solution

The fourth proportional to 774,013.20, 1,161,019.80 and 522,070.80 is: 783,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,013.20 : 1,161,019.80 = 522,070.80 : x
  2. Step 2: Convert to fraction form
    774,013.20/1,161,019.80 = 522,070.80/x
  3. Step 3: Cross multiply
    774,013.20x = 1,161,019.80 × 522,070.80
  4. Step 4: Simplify right side
    774,013.20x = 606,134,535,801.84
  5. Step 5: Solve for x
    x = 606,134,535,801.84/774,013.20
  6. Step 6: Final answer
    x = 783,106.20

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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.