Home / 899,188.08-1,240,865.06-491,281.17

Finding the Fourth Proportional to 899,188.08, 1,240,865.06 and 491,281.17

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Solution

The fourth proportional to 899,188.08, 1,240,865.06 and 491,281.17 is: 677,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,188.08 : 1,240,865.06 = 491,281.17 : x
  2. Step 2: Convert to fraction form
    899,188.08/1,240,865.06 = 491,281.17/x
  3. Step 3: Cross multiply
    899,188.08x = 1,240,865.06 × 491,281.17
  4. Step 4: Simplify right side
    899,188.08x = 609,613,636,032.51
  5. Step 5: Solve for x
    x = 609,613,636,032.51/899,188.08
  6. Step 6: Final answer
    x = 677,960.09

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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.