Home / 993,401.50-1,370,896.68-563,680.48

Finding the Fourth Proportional to 993,401.50, 1,370,896.68 and 563,680.48

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Solution

The fourth proportional to 993,401.50, 1,370,896.68 and 563,680.48 is: 777,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,401.50 : 1,370,896.68 = 563,680.48 : x
  2. Step 2: Convert to fraction form
    993,401.50/1,370,896.68 = 563,680.48/x
  3. Step 3: Cross multiply
    993,401.50x = 1,370,896.68 × 563,680.48
  4. Step 4: Simplify right side
    993,401.50x = 772,747,698,612.81
  5. Step 5: Solve for x
    x = 772,747,698,612.81/993,401.50
  6. Step 6: Final answer
    x = 777,880.54

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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.