Home / 957,604.86-1,321,503.93-527,900.40

Finding the Fourth Proportional to 957,604.86, 1,321,503.93 and 527,900.40

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Solution

The fourth proportional to 957,604.86, 1,321,503.93 and 527,900.40 is: 728,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,604.86 : 1,321,503.93 = 527,900.40 : x
  2. Step 2: Convert to fraction form
    957,604.86/1,321,503.93 = 527,900.40/x
  3. Step 3: Cross multiply
    957,604.86x = 1,321,503.93 × 527,900.40
  4. Step 4: Simplify right side
    957,604.86x = 697,622,453,248.57
  5. Step 5: Solve for x
    x = 697,622,453,248.57/957,604.86
  6. Step 6: Final answer
    x = 728,507.64

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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.