Home / 1,236,325.95-1,854,755.25-383,380.45

Finding the Fourth Proportional to 1,236,325.95, 1,854,755.25 and 383,380.45

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Solution

The fourth proportional to 1,236,325.95, 1,854,755.25 and 383,380.45 is: 575,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,325.95 : 1,854,755.25 = 383,380.45 : x
  2. Step 2: Convert to fraction form
    1,236,325.95/1,854,755.25 = 383,380.45/x
  3. Step 3: Cross multiply
    1,236,325.95x = 1,854,755.25 × 383,380.45
  4. Step 4: Simplify right side
    1,236,325.95x = 711,076,893,111.09
  5. Step 5: Solve for x
    x = 711,076,893,111.09/1,236,325.95
  6. Step 6: Final answer
    x = 575,153.26

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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.