Home / 957,331.04-1,321,090.80-527,611.01

Finding the Fourth Proportional to 957,331.04, 1,321,090.80 and 527,611.01

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Solution

The fourth proportional to 957,331.04, 1,321,090.80 and 527,611.01 is: 728,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,331.04 : 1,321,090.80 = 527,611.01 : x
  2. Step 2: Convert to fraction form
    957,331.04/1,321,090.80 = 527,611.01/x
  3. Step 3: Cross multiply
    957,331.04x = 1,321,090.80 × 527,611.01
  4. Step 4: Simplify right side
    957,331.04x = 697,022,051,289.71
  5. Step 5: Solve for x
    x = 697,022,051,289.71/957,331.04
  6. Step 6: Final answer
    x = 728,088.85

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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.