Home / 498,566.22-688,071.15-297,362.22

Finding the Fourth Proportional to 498,566.22, 688,071.15 and 297,362.22

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Solution

The fourth proportional to 498,566.22, 688,071.15 and 297,362.22 is: 410,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,566.22 : 688,071.15 = 297,362.22 : x
  2. Step 2: Convert to fraction form
    498,566.22/688,071.15 = 297,362.22/x
  3. Step 3: Cross multiply
    498,566.22x = 688,071.15 × 297,362.22
  4. Step 4: Simplify right side
    498,566.22x = 204,606,364,681.95
  5. Step 5: Solve for x
    x = 204,606,364,681.95/498,566.22
  6. Step 6: Final answer
    x = 410,389.55

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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.