Home / 495,554.06-683,806.59-291,560.12

Finding the Fourth Proportional to 495,554.06, 683,806.59 and 291,560.12

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Solution

The fourth proportional to 495,554.06, 683,806.59 and 291,560.12 is: 402,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,554.06 : 683,806.59 = 291,560.12 : x
  2. Step 2: Convert to fraction form
    495,554.06/683,806.59 = 291,560.12/x
  3. Step 3: Cross multiply
    495,554.06x = 683,806.59 × 291,560.12
  4. Step 4: Simplify right side
    495,554.06x = 199,370,730,582.43
  5. Step 5: Solve for x
    x = 199,370,730,582.43/495,554.06
  6. Step 6: Final answer
    x = 402,318.83

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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.