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Finding the Fourth Proportional to 748,369.86, 1,032,798 and 426,108.12

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Solution

The fourth proportional to 748,369.86, 1,032,798 and 426,108.12 is: 588,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,369.86 : 1,032,798 = 426,108.12 : x
  2. Step 2: Convert to fraction form
    748,369.86/1,032,798 = 426,108.12/x
  3. Step 3: Cross multiply
    748,369.86x = 1,032,798 × 426,108.12
  4. Step 4: Simplify right side
    748,369.86x = 440,083,614,119.76
  5. Step 5: Solve for x
    x = 440,083,614,119.76/748,369.86
  6. Step 6: Final answer
    x = 588,056.30

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Half scale
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Double scale
Find fourth proportional to 748,370.86, 1,032,799.38 and 426,109.12
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.