Home / 1,066,513-1,600,359.96-638,998.24

Finding the Fourth Proportional to 1,066,513, 1,600,359.96 and 638,998.24

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Solution

The fourth proportional to 1,066,513, 1,600,359.96 and 638,998.24 is: 958,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,513 : 1,600,359.96 = 638,998.24 : x
  2. Step 2: Convert to fraction form
    1,066,513/1,600,359.96 = 638,998.24/x
  3. Step 3: Cross multiply
    1,066,513x = 1,600,359.96 × 638,998.24
  4. Step 4: Simplify right side
    1,066,513x = 1,022,627,197,806.47
  5. Step 5: Solve for x
    x = 1,022,627,197,806.47/1,066,513
  6. Step 6: Final answer
    x = 958,851.13

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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.