Home / 838,071.82-1,156,516.95-456,090.40

Finding the Fourth Proportional to 838,071.82, 1,156,516.95 and 456,090.40

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Solution

The fourth proportional to 838,071.82, 1,156,516.95 and 456,090.40 is: 629,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,071.82 : 1,156,516.95 = 456,090.40 : x
  2. Step 2: Convert to fraction form
    838,071.82/1,156,516.95 = 456,090.40/x
  3. Step 3: Cross multiply
    838,071.82x = 1,156,516.95 × 456,090.40
  4. Step 4: Simplify right side
    838,071.82x = 527,476,278,332.28
  5. Step 5: Solve for x
    x = 527,476,278,332.28/838,071.82
  6. Step 6: Final answer
    x = 629,392.69

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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.