Home / 817,058.95-1,127,496.62-449,529.16

Finding the Fourth Proportional to 817,058.95, 1,127,496.62 and 449,529.16

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Solution

The fourth proportional to 817,058.95, 1,127,496.62 and 449,529.16 is: 620,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,058.95 : 1,127,496.62 = 449,529.16 : x
  2. Step 2: Convert to fraction form
    817,058.95/1,127,496.62 = 449,529.16/x
  3. Step 3: Cross multiply
    817,058.95x = 1,127,496.62 × 449,529.16
  4. Step 4: Simplify right side
    817,058.95x = 506,842,604,786.12
  5. Step 5: Solve for x
    x = 506,842,604,786.12/817,058.95
  6. Step 6: Final answer
    x = 620,325.63

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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.