Home / 847,350.84-1,169,401.41-465,381.57

Finding the Fourth Proportional to 847,350.84, 1,169,401.41 and 465,381.57

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Solution

The fourth proportional to 847,350.84, 1,169,401.41 and 465,381.57 is: 642,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,350.84 : 1,169,401.41 = 465,381.57 : x
  2. Step 2: Convert to fraction form
    847,350.84/1,169,401.41 = 465,381.57/x
  3. Step 3: Cross multiply
    847,350.84x = 1,169,401.41 × 465,381.57
  4. Step 4: Simplify right side
    847,350.84x = 544,217,864,146.01
  5. Step 5: Solve for x
    x = 544,217,864,146.01/847,350.84
  6. Step 6: Final answer
    x = 642,258.01

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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.