Home / 672,419.18-927,938.82-382,031.26

Finding the Fourth Proportional to 672,419.18, 927,938.82 and 382,031.26

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Solution

The fourth proportional to 672,419.18, 927,938.82 and 382,031.26 is: 527,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,419.18 : 927,938.82 = 382,031.26 : x
  2. Step 2: Convert to fraction form
    672,419.18/927,938.82 = 382,031.26/x
  3. Step 3: Cross multiply
    672,419.18x = 927,938.82 × 382,031.26
  4. Step 4: Simplify right side
    672,419.18x = 354,501,636,607.51
  5. Step 5: Solve for x
    x = 354,501,636,607.51/672,419.18
  6. Step 6: Final answer
    x = 527,203.34

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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.