Home / 619,554.12-929,341.44-170,272.23

Finding the Fourth Proportional to 619,554.12, 929,341.44 and 170,272.23

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Solution

The fourth proportional to 619,554.12, 929,341.44 and 170,272.23 is: 255,411.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,554.12 : 929,341.44 = 170,272.23 : x
  2. Step 2: Convert to fraction form
    619,554.12/929,341.44 = 170,272.23/x
  3. Step 3: Cross multiply
    619,554.12x = 929,341.44 × 170,272.23
  4. Step 4: Simplify right side
    619,554.12x = 158,241,039,420.21
  5. Step 5: Solve for x
    x = 158,241,039,420.21/619,554.12
  6. Step 6: Final answer
    x = 255,411.16

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Half scale
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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.