Home / 808,914.84-1,116,401.28-464,750.04

Finding the Fourth Proportional to 808,914.84, 1,116,401.28 and 464,750.04

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Solution

The fourth proportional to 808,914.84, 1,116,401.28 and 464,750.04 is: 641,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,914.84 : 1,116,401.28 = 464,750.04 : x
  2. Step 2: Convert to fraction form
    808,914.84/1,116,401.28 = 464,750.04/x
  3. Step 3: Cross multiply
    808,914.84x = 1,116,401.28 × 464,750.04
  4. Step 4: Simplify right side
    808,914.84x = 518,847,539,536.05
  5. Step 5: Solve for x
    x = 518,847,539,536.05/808,914.84
  6. Step 6: Final answer
    x = 641,411.82

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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.