Home / 740,090.69-1,021,349.92-453,555.44

Finding the Fourth Proportional to 740,090.69, 1,021,349.92 and 453,555.44

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Solution

The fourth proportional to 740,090.69, 1,021,349.92 and 453,555.44 is: 625,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,090.69 : 1,021,349.92 = 453,555.44 : x
  2. Step 2: Convert to fraction form
    740,090.69/1,021,349.92 = 453,555.44/x
  3. Step 3: Cross multiply
    740,090.69x = 1,021,349.92 × 453,555.44
  4. Step 4: Simplify right side
    740,090.69x = 463,238,811,225.68
  5. Step 5: Solve for x
    x = 463,238,811,225.68/740,090.69
  6. Step 6: Final answer
    x = 625,921.68

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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.