Home / 841,413.92-1,161,242.62-519,115.74

Finding the Fourth Proportional to 841,413.92, 1,161,242.62 and 519,115.74

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Solution

The fourth proportional to 841,413.92, 1,161,242.62 and 519,115.74 is: 716,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,413.92 : 1,161,242.62 = 519,115.74 : x
  2. Step 2: Convert to fraction form
    841,413.92/1,161,242.62 = 519,115.74/x
  3. Step 3: Cross multiply
    841,413.92x = 1,161,242.62 × 519,115.74
  4. Step 4: Simplify right side
    841,413.92x = 602,819,322,000.84
  5. Step 5: Solve for x
    x = 602,819,322,000.84/841,413.92
  6. Step 6: Final answer
    x = 716,436.12

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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.