Home / 626,020.10-939,030.15-182,788.10

Finding the Fourth Proportional to 626,020.10, 939,030.15 and 182,788.10

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Solution

The fourth proportional to 626,020.10, 939,030.15 and 182,788.10 is: 274,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,020.10 : 939,030.15 = 182,788.10 : x
  2. Step 2: Convert to fraction form
    626,020.10/939,030.15 = 182,788.10/x
  3. Step 3: Cross multiply
    626,020.10x = 939,030.15 × 182,788.10
  4. Step 4: Simplify right side
    626,020.10x = 171,643,536,961.22
  5. Step 5: Solve for x
    x = 171,643,536,961.22/626,020.10
  6. Step 6: Final answer
    x = 274,182.15

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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.