Home / 760,443.90-1,049,415.45-416,311.83

Finding the Fourth Proportional to 760,443.90, 1,049,415.45 and 416,311.83

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Solution

The fourth proportional to 760,443.90, 1,049,415.45 and 416,311.83 is: 574,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,443.90 : 1,049,415.45 = 416,311.83 : x
  2. Step 2: Convert to fraction form
    760,443.90/1,049,415.45 = 416,311.83/x
  3. Step 3: Cross multiply
    760,443.90x = 1,049,415.45 × 416,311.83
  4. Step 4: Simplify right side
    760,443.90x = 436,884,061,907.12
  5. Step 5: Solve for x
    x = 436,884,061,907.12/760,443.90
  6. Step 6: Final answer
    x = 574,511.89

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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.