Home / 922,494.08-1,273,043.52-520,085.12

Finding the Fourth Proportional to 922,494.08, 1,273,043.52 and 520,085.12

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Solution

The fourth proportional to 922,494.08, 1,273,043.52 and 520,085.12 is: 717,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,494.08 : 1,273,043.52 = 520,085.12 : x
  2. Step 2: Convert to fraction form
    922,494.08/1,273,043.52 = 520,085.12/x
  3. Step 3: Cross multiply
    922,494.08x = 1,273,043.52 × 520,085.12
  4. Step 4: Simplify right side
    922,494.08x = 662,090,991,864.42
  5. Step 5: Solve for x
    x = 662,090,991,864.42/922,494.08
  6. Step 6: Final answer
    x = 717,718.42

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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.