Home / 957,328.23-1,321,108.63-527,607.43

Finding the Fourth Proportional to 957,328.23, 1,321,108.63 and 527,607.43

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Solution

The fourth proportional to 957,328.23, 1,321,108.63 and 527,607.43 is: 728,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,328.23 : 1,321,108.63 = 527,607.43 : x
  2. Step 2: Convert to fraction form
    957,328.23/1,321,108.63 = 527,607.43/x
  3. Step 3: Cross multiply
    957,328.23x = 1,321,108.63 × 527,607.43
  4. Step 4: Simplify right side
    957,328.23x = 697,026,726,387.08
  5. Step 5: Solve for x
    x = 697,026,726,387.08/957,328.23
  6. Step 6: Final answer
    x = 728,095.87

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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.