Home / 808,653.30-1,116,300.33-522,313.08

Finding the Fourth Proportional to 808,653.30, 1,116,300.33 and 522,313.08

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Solution

The fourth proportional to 808,653.30, 1,116,300.33 and 522,313.08 is: 721,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,653.30 : 1,116,300.33 = 522,313.08 : x
  2. Step 2: Convert to fraction form
    808,653.30/1,116,300.33 = 522,313.08/x
  3. Step 3: Cross multiply
    808,653.30x = 1,116,300.33 × 522,313.08
  4. Step 4: Simplify right side
    808,653.30x = 583,058,263,567.32
  5. Step 5: Solve for x
    x = 583,058,263,567.32/808,653.30
  6. Step 6: Final answer
    x = 721,023.79

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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.