Home / 626,519.60-939,779.40-183,287.60

Finding the Fourth Proportional to 626,519.60, 939,779.40 and 183,287.60

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Solution

The fourth proportional to 626,519.60, 939,779.40 and 183,287.60 is: 274,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,519.60 : 939,779.40 = 183,287.60 : x
  2. Step 2: Convert to fraction form
    626,519.60/939,779.40 = 183,287.60/x
  3. Step 3: Cross multiply
    626,519.60x = 939,779.40 × 183,287.60
  4. Step 4: Simplify right side
    626,519.60x = 172,249,910,755.44
  5. Step 5: Solve for x
    x = 172,249,910,755.44/626,519.60
  6. Step 6: Final answer
    x = 274,931.40

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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.