Home / 730,606.28-1,008,238.13-408,316.37

Finding the Fourth Proportional to 730,606.28, 1,008,238.13 and 408,316.37

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Solution

The fourth proportional to 730,606.28, 1,008,238.13 and 408,316.37 is: 563,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,606.28 : 1,008,238.13 = 408,316.37 : x
  2. Step 2: Convert to fraction form
    730,606.28/1,008,238.13 = 408,316.37/x
  3. Step 3: Cross multiply
    730,606.28x = 1,008,238.13 × 408,316.37
  4. Step 4: Simplify right side
    730,606.28x = 411,680,133,752.86
  5. Step 5: Solve for x
    x = 411,680,133,752.86/730,606.28
  6. Step 6: Final answer
    x = 563,477.41

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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.