Home / 756,111.25-1,043,430.42-411,946.21

Finding the Fourth Proportional to 756,111.25, 1,043,430.42 and 411,946.21

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Solution

The fourth proportional to 756,111.25, 1,043,430.42 and 411,946.21 is: 568,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,111.25 : 1,043,430.42 = 411,946.21 : x
  2. Step 2: Convert to fraction form
    756,111.25/1,043,430.42 = 411,946.21/x
  3. Step 3: Cross multiply
    756,111.25x = 1,043,430.42 × 411,946.21
  4. Step 4: Simplify right side
    756,111.25x = 429,837,206,917.71
  5. Step 5: Solve for x
    x = 429,837,206,917.71/756,111.25
  6. Step 6: Final answer
    x = 568,484.08

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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.