Home / 957,608.86-1,321,509.45-527,904.40

Finding the Fourth Proportional to 957,608.86, 1,321,509.45 and 527,904.40

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Solution

The fourth proportional to 957,608.86, 1,321,509.45 and 527,904.40 is: 728,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,608.86 : 1,321,509.45 = 527,904.40 : x
  2. Step 2: Convert to fraction form
    957,608.86/1,321,509.45 = 527,904.40/x
  3. Step 3: Cross multiply
    957,608.86x = 1,321,509.45 × 527,904.40
  4. Step 4: Simplify right side
    957,608.86x = 697,630,653,296.58
  5. Step 5: Solve for x
    x = 697,630,653,296.58/957,608.86
  6. Step 6: Final answer
    x = 728,513.16

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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.