Home / 581,962.70-872,345.36-315,159.64

Finding the Fourth Proportional to 581,962.70, 872,345.36 and 315,159.64

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Solution

The fourth proportional to 581,962.70, 872,345.36 and 315,159.64 is: 472,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,962.70 : 872,345.36 = 315,159.64 : x
  2. Step 2: Convert to fraction form
    581,962.70/872,345.36 = 315,159.64/x
  3. Step 3: Cross multiply
    581,962.70x = 872,345.36 × 315,159.64
  4. Step 4: Simplify right side
    581,962.70x = 274,928,049,613.27
  5. Step 5: Solve for x
    x = 274,928,049,613.27/581,962.70
  6. Step 6: Final answer
    x = 472,415.24

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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.