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Finding the Fourth Proportional to 774,854.76, 1,069,250.58 and 452,656.20

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Solution

The fourth proportional to 774,854.76, 1,069,250.58 and 452,656.20 is: 624,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,854.76 : 1,069,250.58 = 452,656.20 : x
  2. Step 2: Convert to fraction form
    774,854.76/1,069,250.58 = 452,656.20/x
  3. Step 3: Cross multiply
    774,854.76x = 1,069,250.58 × 452,656.20
  4. Step 4: Simplify right side
    774,854.76x = 484,002,904,390.60
  5. Step 5: Solve for x
    x = 484,002,904,390.60/774,854.76
  6. Step 6: Final answer
    x = 624,636.94

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Double scale
Find fourth proportional to 774,855.76, 1,069,251.96 and 452,657.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.