Home / 1,174,713.40-1,762,070.10-426,662.20

Finding the Fourth Proportional to 1,174,713.40, 1,762,070.10 and 426,662.20

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Solution

The fourth proportional to 1,174,713.40, 1,762,070.10 and 426,662.20 is: 639,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,713.40 : 1,762,070.10 = 426,662.20 : x
  2. Step 2: Convert to fraction form
    1,174,713.40/1,762,070.10 = 426,662.20/x
  3. Step 3: Cross multiply
    1,174,713.40x = 1,762,070.10 × 426,662.20
  4. Step 4: Simplify right side
    1,174,713.40x = 751,808,705,420.22
  5. Step 5: Solve for x
    x = 751,808,705,420.22/1,174,713.40
  6. Step 6: Final answer
    x = 639,993.30

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Double scale
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Similar ratio
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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.