Home / 572,973.52-790,657.12-331,271.60

Finding the Fourth Proportional to 572,973.52, 790,657.12 and 331,271.60

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Solution

The fourth proportional to 572,973.52, 790,657.12 and 331,271.60 is: 457,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,973.52 : 790,657.12 = 331,271.60 : x
  2. Step 2: Convert to fraction form
    572,973.52/790,657.12 = 331,271.60/x
  3. Step 3: Cross multiply
    572,973.52x = 790,657.12 × 331,271.60
  4. Step 4: Simplify right side
    572,973.52x = 261,922,249,193.79
  5. Step 5: Solve for x
    x = 261,922,249,193.79/572,973.52
  6. Step 6: Final answer
    x = 457,128.02

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Double scale
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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.