Home / 811,207.09-1,119,341.44-466,976.51

Finding the Fourth Proportional to 811,207.09, 1,119,341.44 and 466,976.51

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Solution

The fourth proportional to 811,207.09, 1,119,341.44 and 466,976.51 is: 644,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,207.09 : 1,119,341.44 = 466,976.51 : x
  2. Step 2: Convert to fraction form
    811,207.09/1,119,341.44 = 466,976.51/x
  3. Step 3: Cross multiply
    811,207.09x = 1,119,341.44 × 466,976.51
  4. Step 4: Simplify right side
    811,207.09x = 522,706,159,149.57
  5. Step 5: Solve for x
    x = 522,706,159,149.57/811,207.09
  6. Step 6: Final answer
    x = 644,356.00

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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.