Home / 692,636.29-956,162.04-402,191.28

Finding the Fourth Proportional to 692,636.29, 956,162.04 and 402,191.28

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Solution

The fourth proportional to 692,636.29, 956,162.04 and 402,191.28 is: 555,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,636.29 : 956,162.04 = 402,191.28 : x
  2. Step 2: Convert to fraction form
    692,636.29/956,162.04 = 402,191.28/x
  3. Step 3: Cross multiply
    692,636.29x = 956,162.04 × 402,191.28
  4. Step 4: Simplify right side
    692,636.29x = 384,560,029,974.20
  5. Step 5: Solve for x
    x = 384,560,029,974.20/692,636.29
  6. Step 6: Final answer
    x = 555,212.08

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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.