Home / 612,570.63-918,899.73-163,289.19

Finding the Fourth Proportional to 612,570.63, 918,899.73 and 163,289.19

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Solution

The fourth proportional to 612,570.63, 918,899.73 and 163,289.19 is: 244,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,570.63 : 918,899.73 = 163,289.19 : x
  2. Step 2: Convert to fraction form
    612,570.63/918,899.73 = 163,289.19/x
  3. Step 3: Cross multiply
    612,570.63x = 918,899.73 × 163,289.19
  4. Step 4: Simplify right side
    612,570.63x = 150,046,392,602.92
  5. Step 5: Solve for x
    x = 150,046,392,602.92/612,570.63
  6. Step 6: Final answer
    x = 244,945.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.