Home / 814,606.40-1,124,455.36-492,328.64

Finding the Fourth Proportional to 814,606.40, 1,124,455.36 and 492,328.64

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Solution

The fourth proportional to 814,606.40, 1,124,455.36 and 492,328.64 is: 679,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,606.40 : 1,124,455.36 = 492,328.64 : x
  2. Step 2: Convert to fraction form
    814,606.40/1,124,455.36 = 492,328.64/x
  3. Step 3: Cross multiply
    814,606.40x = 1,124,455.36 × 492,328.64
  4. Step 4: Simplify right side
    814,606.40x = 553,601,578,129.51
  5. Step 5: Solve for x
    x = 553,601,578,129.51/814,606.40
  6. Step 6: Final answer
    x = 679,593.95

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Double scale
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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.