Home / 730,501.11-1,090,402.20-644,216.46

Finding the Fourth Proportional to 730,501.11, 1,090,402.20 and 644,216.46

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Solution

The fourth proportional to 730,501.11, 1,090,402.20 and 644,216.46 is: 961,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,501.11 : 1,090,402.20 = 644,216.46 : x
  2. Step 2: Convert to fraction form
    730,501.11/1,090,402.20 = 644,216.46/x
  3. Step 3: Cross multiply
    730,501.11x = 1,090,402.20 × 644,216.46
  4. Step 4: Simplify right side
    730,501.11x = 702,455,045,260.21
  5. Step 5: Solve for x
    x = 702,455,045,260.21/730,501.11
  6. Step 6: Final answer
    x = 961,607.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.