Home / 774,950.09-1,069,058.73-667,333.30

Finding the Fourth Proportional to 774,950.09, 1,069,058.73 and 667,333.30

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Solution

The fourth proportional to 774,950.09, 1,069,058.73 and 667,333.30 is: 920,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,950.09 : 1,069,058.73 = 667,333.30 : x
  2. Step 2: Convert to fraction form
    774,950.09/1,069,058.73 = 667,333.30/x
  3. Step 3: Cross multiply
    774,950.09x = 1,069,058.73 × 667,333.30
  4. Step 4: Simplify right side
    774,950.09x = 713,418,490,184.71
  5. Step 5: Solve for x
    x = 713,418,490,184.71/774,950.09
  6. Step 6: Final answer
    x = 920,599.27

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Half scale
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Double scale
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Similar ratio
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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.