Home / 622,869.30-930,890.74-454,743.67

Finding the Fourth Proportional to 622,869.30, 930,890.74 and 454,743.67

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Solution

The fourth proportional to 622,869.30, 930,890.74 and 454,743.67 is: 679,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,869.30 : 930,890.74 = 454,743.67 : x
  2. Step 2: Convert to fraction form
    622,869.30/930,890.74 = 454,743.67/x
  3. Step 3: Cross multiply
    622,869.30x = 930,890.74 × 454,743.67
  4. Step 4: Simplify right side
    622,869.30x = 423,316,671,476.62
  5. Step 5: Solve for x
    x = 423,316,671,476.62/622,869.30
  6. Step 6: Final answer
    x = 679,623.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.