Home / 957,683.16-1,321,611.54-527,978.70

Finding the Fourth Proportional to 957,683.16, 1,321,611.54 and 527,978.70

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Solution

The fourth proportional to 957,683.16, 1,321,611.54 and 527,978.70 is: 728,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,683.16 : 1,321,611.54 = 527,978.70 : x
  2. Step 2: Convert to fraction form
    957,683.16/1,321,611.54 = 527,978.70/x
  3. Step 3: Cross multiply
    957,683.16x = 1,321,611.54 × 527,978.70
  4. Step 4: Simplify right side
    957,683.16x = 697,782,742,794.20
  5. Step 5: Solve for x
    x = 697,782,742,794.20/957,683.16
  6. Step 6: Final answer
    x = 728,615.45

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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.