Home / 926,678.77-1,278,157.32-850,444.11

Finding the Fourth Proportional to 926,678.77, 1,278,157.32 and 850,444.11

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Solution

The fourth proportional to 926,678.77, 1,278,157.32 and 850,444.11 is: 1,173,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,678.77 : 1,278,157.32 = 850,444.11 : x
  2. Step 2: Convert to fraction form
    926,678.77/1,278,157.32 = 850,444.11/x
  3. Step 3: Cross multiply
    926,678.77x = 1,278,157.32 × 850,444.11
  4. Step 4: Simplify right side
    926,678.77x = 1,087,001,364,447.39
  5. Step 5: Solve for x
    x = 1,087,001,364,447.39/926,678.77
  6. Step 6: Final answer
    x = 1,173,007.74

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Double scale
Find fourth proportional to 926,679.77, 1,278,158.70 and 850,445.11
Similar ratio
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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.