Home / 783,003.71-1,081,065.69-601,390.98

Finding the Fourth Proportional to 783,003.71, 1,081,065.69 and 601,390.98

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Solution

The fourth proportional to 783,003.71, 1,081,065.69 and 601,390.98 is: 830,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,003.71 : 1,081,065.69 = 601,390.98 : x
  2. Step 2: Convert to fraction form
    783,003.71/1,081,065.69 = 601,390.98/x
  3. Step 3: Cross multiply
    783,003.71x = 1,081,065.69 × 601,390.98
  4. Step 4: Simplify right side
    783,003.71x = 650,143,154,753.48
  5. Step 5: Solve for x
    x = 650,143,154,753.48/783,003.71
  6. Step 6: Final answer
    x = 830,319.38

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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.