Home / 760,671.01-1,139,195.23-440,147.39

Finding the Fourth Proportional to 760,671.01, 1,139,195.23 and 440,147.39

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Solution

The fourth proportional to 760,671.01, 1,139,195.23 and 440,147.39 is: 659,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,671.01 : 1,139,195.23 = 440,147.39 : x
  2. Step 2: Convert to fraction form
    760,671.01/1,139,195.23 = 440,147.39/x
  3. Step 3: Cross multiply
    760,671.01x = 1,139,195.23 × 440,147.39
  4. Step 4: Simplify right side
    760,671.01x = 501,413,802,715.69
  5. Step 5: Solve for x
    x = 501,413,802,715.69/760,671.01
  6. Step 6: Final answer
    x = 659,173.01

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Double scale
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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.