Home / 1,091,415.11-1,506,198.24-607,980.15

Finding the Fourth Proportional to 1,091,415.11, 1,506,198.24 and 607,980.15

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Solution

The fourth proportional to 1,091,415.11, 1,506,198.24 and 607,980.15 is: 839,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,415.11 : 1,506,198.24 = 607,980.15 : x
  2. Step 2: Convert to fraction form
    1,091,415.11/1,506,198.24 = 607,980.15/x
  3. Step 3: Cross multiply
    1,091,415.11x = 1,506,198.24 × 607,980.15
  4. Step 4: Simplify right side
    1,091,415.11x = 915,738,631,884.94
  5. Step 5: Solve for x
    x = 915,738,631,884.94/1,091,415.11
  6. Step 6: Final answer
    x = 839,037.89

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Double scale
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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.