Home / 837,808.93-1,156,141.78-455,837.23

Finding the Fourth Proportional to 837,808.93, 1,156,141.78 and 455,837.23

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Solution

The fourth proportional to 837,808.93, 1,156,141.78 and 455,837.23 is: 629,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,808.93 : 1,156,141.78 = 455,837.23 : x
  2. Step 2: Convert to fraction form
    837,808.93/1,156,141.78 = 455,837.23/x
  3. Step 3: Cross multiply
    837,808.93x = 1,156,141.78 × 455,837.23
  4. Step 4: Simplify right side
    837,808.93x = 527,012,466,482.47
  5. Step 5: Solve for x
    x = 527,012,466,482.47/837,808.93
  6. Step 6: Final answer
    x = 629,036.58

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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.