Home / 783,715.63-1,081,539.42-439,627.83

Finding the Fourth Proportional to 783,715.63, 1,081,539.42 and 439,627.83

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Solution

The fourth proportional to 783,715.63, 1,081,539.42 and 439,627.83 is: 606,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,715.63 : 1,081,539.42 = 439,627.83 : x
  2. Step 2: Convert to fraction form
    783,715.63/1,081,539.42 = 439,627.83/x
  3. Step 3: Cross multiply
    783,715.63x = 1,081,539.42 × 439,627.83
  4. Step 4: Simplify right side
    783,715.63x = 475,474,828,274.06
  5. Step 5: Solve for x
    x = 475,474,828,274.06/783,715.63
  6. Step 6: Final answer
    x = 606,693.05

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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.