Home / 754,848.36-1,041,676.20-415,316.88

Finding the Fourth Proportional to 754,848.36, 1,041,676.20 and 415,316.88

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Solution

The fourth proportional to 754,848.36, 1,041,676.20 and 415,316.88 is: 573,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,848.36 : 1,041,676.20 = 415,316.88 : x
  2. Step 2: Convert to fraction form
    754,848.36/1,041,676.20 = 415,316.88/x
  3. Step 3: Cross multiply
    754,848.36x = 1,041,676.20 × 415,316.88
  4. Step 4: Simplify right side
    754,848.36x = 432,625,709,354.26
  5. Step 5: Solve for x
    x = 432,625,709,354.26/754,848.36
  6. Step 6: Final answer
    x = 573,129.30

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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.