Home / 912,164.72-1,258,778.80-504,277.12

Finding the Fourth Proportional to 912,164.72, 1,258,778.80 and 504,277.12

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Solution

The fourth proportional to 912,164.72, 1,258,778.80 and 504,277.12 is: 695,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,164.72 : 1,258,778.80 = 504,277.12 : x
  2. Step 2: Convert to fraction form
    912,164.72/1,258,778.80 = 504,277.12/x
  3. Step 3: Cross multiply
    912,164.72x = 1,258,778.80 × 504,277.12
  4. Step 4: Simplify right side
    912,164.72x = 634,773,347,981.06
  5. Step 5: Solve for x
    x = 634,773,347,981.06/912,164.72
  6. Step 6: Final answer
    x = 695,897.72

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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.