Home / 783,606.59-1,081,388.54-456,910.71

Finding the Fourth Proportional to 783,606.59, 1,081,388.54 and 456,910.71

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Solution

The fourth proportional to 783,606.59, 1,081,388.54 and 456,910.71 is: 630,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,606.59 : 1,081,388.54 = 456,910.71 : x
  2. Step 2: Convert to fraction form
    783,606.59/1,081,388.54 = 456,910.71/x
  3. Step 3: Cross multiply
    783,606.59x = 1,081,388.54 × 456,910.71
  4. Step 4: Simplify right side
    783,606.59x = 494,098,005,026.13
  5. Step 5: Solve for x
    x = 494,098,005,026.13/783,606.59
  6. Step 6: Final answer
    x = 630,543.45

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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.