Home / 767,684.04-1,059,462.75-423,586.38

Finding the Fourth Proportional to 767,684.04, 1,059,462.75 and 423,586.38

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Solution

The fourth proportional to 767,684.04, 1,059,462.75 and 423,586.38 is: 584,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,684.04 : 1,059,462.75 = 423,586.38 : x
  2. Step 2: Convert to fraction form
    767,684.04/1,059,462.75 = 423,586.38/x
  3. Step 3: Cross multiply
    767,684.04x = 1,059,462.75 × 423,586.38
  4. Step 4: Simplify right side
    767,684.04x = 448,773,991,017.35
  5. Step 5: Solve for x
    x = 448,773,991,017.35/767,684.04
  6. Step 6: Final answer
    x = 584,581.63

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.