Home / 1,265,118-1,897,220.10-507,132.96

Finding the Fourth Proportional to 1,265,118, 1,897,220.10 and 507,132.96

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Solution

The fourth proportional to 1,265,118, 1,897,220.10 and 507,132.96 is: 760,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,118 : 1,897,220.10 = 507,132.96 : x
  2. Step 2: Convert to fraction form
    1,265,118/1,897,220.10 = 507,132.96/x
  3. Step 3: Cross multiply
    1,265,118x = 1,897,220.10 × 507,132.96
  4. Step 4: Simplify right side
    1,265,118x = 962,142,845,084.50
  5. Step 5: Solve for x
    x = 962,142,845,084.50/1,265,118
  6. Step 6: Final answer
    x = 760,516.29

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