Home / 957,303.36-1,321,019.28-527,559.48

Finding the Fourth Proportional to 957,303.36, 1,321,019.28 and 527,559.48

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Solution

The fourth proportional to 957,303.36, 1,321,019.28 and 527,559.48 is: 727,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,303.36 : 1,321,019.28 = 527,559.48 : x
  2. Step 2: Convert to fraction form
    957,303.36/1,321,019.28 = 527,559.48/x
  3. Step 3: Cross multiply
    957,303.36x = 1,321,019.28 × 527,559.48
  4. Step 4: Simplify right side
    957,303.36x = 696,916,244,426.77
  5. Step 5: Solve for x
    x = 696,916,244,426.77/957,303.36
  6. Step 6: Final answer
    x = 727,999.37

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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.