Home / 674,302.07-930,555.11-402,527.69

Finding the Fourth Proportional to 674,302.07, 930,555.11 and 402,527.69

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Solution

The fourth proportional to 674,302.07, 930,555.11 and 402,527.69 is: 555,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,302.07 : 930,555.11 = 402,527.69 : x
  2. Step 2: Convert to fraction form
    674,302.07/930,555.11 = 402,527.69/x
  3. Step 3: Cross multiply
    674,302.07x = 930,555.11 × 402,527.69
  4. Step 4: Simplify right side
    674,302.07x = 374,574,192,180.58
  5. Step 5: Solve for x
    x = 374,574,192,180.58/674,302.07
  6. Step 6: Final answer
    x = 555,499.10

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Double scale
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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.