Home / 786,127.08-1,084,848.76-441,964.50

Finding the Fourth Proportional to 786,127.08, 1,084,848.76 and 441,964.50

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Solution

The fourth proportional to 786,127.08, 1,084,848.76 and 441,964.50 is: 609,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,127.08 : 1,084,848.76 = 441,964.50 : x
  2. Step 2: Convert to fraction form
    786,127.08/1,084,848.76 = 441,964.50/x
  3. Step 3: Cross multiply
    786,127.08x = 1,084,848.76 × 441,964.50
  4. Step 4: Simplify right side
    786,127.08x = 479,464,639,789.02
  5. Step 5: Solve for x
    x = 479,464,639,789.02/786,127.08
  6. Step 6: Final answer
    x = 609,907.29

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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.