Home / 818,312.19-1,129,787.85-603,077.37

Finding the Fourth Proportional to 818,312.19, 1,129,787.85 and 603,077.37

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Solution

The fourth proportional to 818,312.19, 1,129,787.85 and 603,077.37 is: 832,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,312.19 : 1,129,787.85 = 603,077.37 : x
  2. Step 2: Convert to fraction form
    818,312.19/1,129,787.85 = 603,077.37/x
  3. Step 3: Cross multiply
    818,312.19x = 1,129,787.85 × 603,077.37
  4. Step 4: Simplify right side
    818,312.19x = 681,349,489,401.07
  5. Step 5: Solve for x
    x = 681,349,489,401.07/818,312.19
  6. Step 6: Final answer
    x = 832,627.81

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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.