Home / 878,069.77-1,211,759.90-496,088.35

Finding the Fourth Proportional to 878,069.77, 1,211,759.90 and 496,088.35

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Solution

The fourth proportional to 878,069.77, 1,211,759.90 and 496,088.35 is: 684,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,069.77 : 1,211,759.90 = 496,088.35 : x
  2. Step 2: Convert to fraction form
    878,069.77/1,211,759.90 = 496,088.35/x
  3. Step 3: Cross multiply
    878,069.77x = 1,211,759.90 × 496,088.35
  4. Step 4: Simplify right side
    878,069.77x = 601,139,965,737.66
  5. Step 5: Solve for x
    x = 601,139,965,737.66/878,069.77
  6. Step 6: Final answer
    x = 684,615.26

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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.