Home / 498,923.84-688,515.36-272,573.12

Finding the Fourth Proportional to 498,923.84, 688,515.36 and 272,573.12

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Solution

The fourth proportional to 498,923.84, 688,515.36 and 272,573.12 is: 376,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,923.84 : 688,515.36 = 272,573.12 : x
  2. Step 2: Convert to fraction form
    498,923.84/688,515.36 = 272,573.12/x
  3. Step 3: Cross multiply
    498,923.84x = 688,515.36 × 272,573.12
  4. Step 4: Simplify right side
    498,923.84x = 187,670,779,843.12
  5. Step 5: Solve for x
    x = 187,670,779,843.12/498,923.84
  6. Step 6: Final answer
    x = 376,151.16

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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.