Home / 836,413.94-1,154,213.61-473,830.40

Finding the Fourth Proportional to 836,413.94, 1,154,213.61 and 473,830.40

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Solution

The fourth proportional to 836,413.94, 1,154,213.61 and 473,830.40 is: 653,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,413.94 : 1,154,213.61 = 473,830.40 : x
  2. Step 2: Convert to fraction form
    836,413.94/1,154,213.61 = 473,830.40/x
  3. Step 3: Cross multiply
    836,413.94x = 1,154,213.61 × 473,830.40
  4. Step 4: Simplify right side
    836,413.94x = 546,901,490,740.68
  5. Step 5: Solve for x
    x = 546,901,490,740.68/836,413.94
  6. Step 6: Final answer
    x = 653,864.63

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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.