Home / 697,111.20-1,045,666.80-531,223.20

Finding the Fourth Proportional to 697,111.20, 1,045,666.80 and 531,223.20

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Solution

The fourth proportional to 697,111.20, 1,045,666.80 and 531,223.20 is: 796,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,111.20 : 1,045,666.80 = 531,223.20 : x
  2. Step 2: Convert to fraction form
    697,111.20/1,045,666.80 = 531,223.20/x
  3. Step 3: Cross multiply
    697,111.20x = 1,045,666.80 × 531,223.20
  4. Step 4: Simplify right side
    697,111.20x = 555,482,463,629.76
  5. Step 5: Solve for x
    x = 555,482,463,629.76/697,111.20
  6. Step 6: Final answer
    x = 796,834.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.