Home / 1,097,785.05-1,646,760.88-339,703.17

Finding the Fourth Proportional to 1,097,785.05, 1,646,760.88 and 339,703.17

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Solution

The fourth proportional to 1,097,785.05, 1,646,760.88 and 339,703.17 is: 509,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,785.05 : 1,646,760.88 = 339,703.17 : x
  2. Step 2: Convert to fraction form
    1,097,785.05/1,646,760.88 = 339,703.17/x
  3. Step 3: Cross multiply
    1,097,785.05x = 1,646,760.88 × 339,703.17
  4. Step 4: Simplify right side
    1,097,785.05x = 559,409,885,417.27
  5. Step 5: Solve for x
    x = 559,409,885,417.27/1,097,785.05
  6. Step 6: Final answer
    x = 509,580.53

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Double scale
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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.