Home / 798,519.60-1,197,779.40-620,060.40

Finding the Fourth Proportional to 798,519.60, 1,197,779.40 and 620,060.40

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Solution

The fourth proportional to 798,519.60, 1,197,779.40 and 620,060.40 is: 930,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,519.60 : 1,197,779.40 = 620,060.40 : x
  2. Step 2: Convert to fraction form
    798,519.60/1,197,779.40 = 620,060.40/x
  3. Step 3: Cross multiply
    798,519.60x = 1,197,779.40 × 620,060.40
  4. Step 4: Simplify right side
    798,519.60x = 742,695,573,875.76
  5. Step 5: Solve for x
    x = 742,695,573,875.76/798,519.60
  6. Step 6: Final answer
    x = 930,090.60

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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.