Home / 1,014,258.90-1,399,771.18-561,549.90

Finding the Fourth Proportional to 1,014,258.90, 1,399,771.18 and 561,549.90

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Solution

The fourth proportional to 1,014,258.90, 1,399,771.18 and 561,549.90 is: 774,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,258.90 : 1,399,771.18 = 561,549.90 : x
  2. Step 2: Convert to fraction form
    1,014,258.90/1,399,771.18 = 561,549.90/x
  3. Step 3: Cross multiply
    1,014,258.90x = 1,399,771.18 × 561,549.90
  4. Step 4: Simplify right side
    1,014,258.90x = 786,041,366,151.88
  5. Step 5: Solve for x
    x = 786,041,366,151.88/1,014,258.90
  6. Step 6: Final answer
    x = 774,990.85

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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.