Home / 1,172,200.30-1,758,336.98-403,690.12

Finding the Fourth Proportional to 1,172,200.30, 1,758,336.98 and 403,690.12

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Solution

The fourth proportional to 1,172,200.30, 1,758,336.98 and 403,690.12 is: 605,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,200.30 : 1,758,336.98 = 403,690.12 : x
  2. Step 2: Convert to fraction form
    1,172,200.30/1,758,336.98 = 403,690.12/x
  3. Step 3: Cross multiply
    1,172,200.30x = 1,758,336.98 × 403,690.12
  4. Step 4: Simplify right side
    1,172,200.30x = 709,823,266,456.64
  5. Step 5: Solve for x
    x = 709,823,266,456.64/1,172,200.30
  6. Step 6: Final answer
    x = 605,547.76

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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.