Home / 725,075.18-1,000,632.14-496,112.69

Finding the Fourth Proportional to 725,075.18, 1,000,632.14 and 496,112.69

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Solution

The fourth proportional to 725,075.18, 1,000,632.14 and 496,112.69 is: 684,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,075.18 : 1,000,632.14 = 496,112.69 : x
  2. Step 2: Convert to fraction form
    725,075.18/1,000,632.14 = 496,112.69/x
  3. Step 3: Cross multiply
    725,075.18x = 1,000,632.14 × 496,112.69
  4. Step 4: Simplify right side
    725,075.18x = 496,426,295,192.13
  5. Step 5: Solve for x
    x = 496,426,295,192.13/725,075.18
  6. Step 6: Final answer
    x = 684,654.93

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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.