Home / 740,559.15-1,021,269.60-510,749.19

Finding the Fourth Proportional to 740,559.15, 1,021,269.60 and 510,749.19

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Solution

The fourth proportional to 740,559.15, 1,021,269.60 and 510,749.19 is: 704,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,559.15 : 1,021,269.60 = 510,749.19 : x
  2. Step 2: Convert to fraction form
    740,559.15/1,021,269.60 = 510,749.19/x
  3. Step 3: Cross multiply
    740,559.15x = 1,021,269.60 × 510,749.19
  4. Step 4: Simplify right side
    740,559.15x = 521,612,620,971.62
  5. Step 5: Solve for x
    x = 521,612,620,971.62/740,559.15
  6. Step 6: Final answer
    x = 704,349.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.