Home / 877,258.90-1,315,888.35-504,010.90

Finding the Fourth Proportional to 877,258.90, 1,315,888.35 and 504,010.90

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Solution

The fourth proportional to 877,258.90, 1,315,888.35 and 504,010.90 is: 756,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,258.90 : 1,315,888.35 = 504,010.90 : x
  2. Step 2: Convert to fraction form
    877,258.90/1,315,888.35 = 504,010.90/x
  3. Step 3: Cross multiply
    877,258.90x = 1,315,888.35 × 504,010.90
  4. Step 4: Simplify right side
    877,258.90x = 663,222,071,583.02
  5. Step 5: Solve for x
    x = 663,222,071,583.02/877,258.90
  6. Step 6: Final answer
    x = 756,016.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.