Home / 891,911.50-1,230,824.57-524,430.16

Finding the Fourth Proportional to 891,911.50, 1,230,824.57 and 524,430.16

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Solution

The fourth proportional to 891,911.50, 1,230,824.57 and 524,430.16 is: 723,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,911.50 : 1,230,824.57 = 524,430.16 : x
  2. Step 2: Convert to fraction form
    891,911.50/1,230,824.57 = 524,430.16/x
  3. Step 3: Cross multiply
    891,911.50x = 1,230,824.57 × 524,430.16
  4. Step 4: Simplify right side
    891,911.50x = 645,481,520,477.82
  5. Step 5: Solve for x
    x = 645,481,520,477.82/891,911.50
  6. Step 6: Final answer
    x = 723,705.80

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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.