Home / 807,040.95-1,113,693.75-462,934.32

Finding the Fourth Proportional to 807,040.95, 1,113,693.75 and 462,934.32

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Solution

The fourth proportional to 807,040.95, 1,113,693.75 and 462,934.32 is: 638,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,040.95 : 1,113,693.75 = 462,934.32 : x
  2. Step 2: Convert to fraction form
    807,040.95/1,113,693.75 = 462,934.32/x
  3. Step 3: Cross multiply
    807,040.95x = 1,113,693.75 × 462,934.32
  4. Step 4: Simplify right side
    807,040.95x = 515,567,058,844.50
  5. Step 5: Solve for x
    x = 515,567,058,844.50/807,040.95
  6. Step 6: Final answer
    x = 638,836.31

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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.