Home / 783,618.30-1,175,427.45-547,688.70

Finding the Fourth Proportional to 783,618.30, 1,175,427.45 and 547,688.70

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Solution

The fourth proportional to 783,618.30, 1,175,427.45 and 547,688.70 is: 821,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,618.30 : 1,175,427.45 = 547,688.70 : x
  2. Step 2: Convert to fraction form
    783,618.30/1,175,427.45 = 547,688.70/x
  3. Step 3: Cross multiply
    783,618.30x = 1,175,427.45 × 547,688.70
  4. Step 4: Simplify right side
    783,618.30x = 643,768,332,034.82
  5. Step 5: Solve for x
    x = 643,768,332,034.82/783,618.30
  6. Step 6: Final answer
    x = 821,533.05

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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.