Home / 776,417.74-1,071,241.24-466,240.30

Finding the Fourth Proportional to 776,417.74, 1,071,241.24 and 466,240.30

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Solution

The fourth proportional to 776,417.74, 1,071,241.24 and 466,240.30 is: 643,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,417.74 : 1,071,241.24 = 466,240.30 : x
  2. Step 2: Convert to fraction form
    776,417.74/1,071,241.24 = 466,240.30/x
  3. Step 3: Cross multiply
    776,417.74x = 1,071,241.24 × 466,240.30
  4. Step 4: Simplify right side
    776,417.74x = 499,455,837,109.97
  5. Step 5: Solve for x
    x = 499,455,837,109.97/776,417.74
  6. Step 6: Final answer
    x = 643,282.36

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Double scale
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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.