Home / 572,928.90-859,678.47-433,542.66

Finding the Fourth Proportional to 572,928.90, 859,678.47 and 433,542.66

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Solution

The fourth proportional to 572,928.90, 859,678.47 and 433,542.66 is: 650,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,928.90 : 859,678.47 = 433,542.66 : x
  2. Step 2: Convert to fraction form
    572,928.90/859,678.47 = 433,542.66/x
  3. Step 3: Cross multiply
    572,928.90x = 859,678.47 × 433,542.66
  4. Step 4: Simplify right side
    572,928.90x = 372,707,290,628.53
  5. Step 5: Solve for x
    x = 372,707,290,628.53/572,928.90
  6. Step 6: Final answer
    x = 650,529.74

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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.