Home / 825,182.08-1,139,124.32-519,707.36

Finding the Fourth Proportional to 825,182.08, 1,139,124.32 and 519,707.36

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Solution

The fourth proportional to 825,182.08, 1,139,124.32 and 519,707.36 is: 717,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,182.08 : 1,139,124.32 = 519,707.36 : x
  2. Step 2: Convert to fraction form
    825,182.08/1,139,124.32 = 519,707.36/x
  3. Step 3: Cross multiply
    825,182.08x = 1,139,124.32 × 519,707.36
  4. Step 4: Simplify right side
    825,182.08x = 592,011,293,059.00
  5. Step 5: Solve for x
    x = 592,011,293,059.00/825,182.08
  6. Step 6: Final answer
    x = 717,431.11

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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.