Home / 935,342.10-1,290,477.96-572,387.58

Finding the Fourth Proportional to 935,342.10, 1,290,477.96 and 572,387.58

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Solution

The fourth proportional to 935,342.10, 1,290,477.96 and 572,387.58 is: 789,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,342.10 : 1,290,477.96 = 572,387.58 : x
  2. Step 2: Convert to fraction form
    935,342.10/1,290,477.96 = 572,387.58/x
  3. Step 3: Cross multiply
    935,342.10x = 1,290,477.96 × 572,387.58
  4. Step 4: Simplify right side
    935,342.10x = 738,653,556,567.74
  5. Step 5: Solve for x
    x = 738,653,556,567.74/935,342.10
  6. Step 6: Final answer
    x = 789,714.86

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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.