Home / 541,988.04-812,688.84-430,386.24

Finding the Fourth Proportional to 541,988.04, 812,688.84 and 430,386.24

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Solution

The fourth proportional to 541,988.04, 812,688.84 and 430,386.24 is: 645,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,988.04 : 812,688.84 = 430,386.24 : x
  2. Step 2: Convert to fraction form
    541,988.04/812,688.84 = 430,386.24/x
  3. Step 3: Cross multiply
    541,988.04x = 812,688.84 × 430,386.24
  4. Step 4: Simplify right side
    541,988.04x = 349,770,094,137.56
  5. Step 5: Solve for x
    x = 349,770,094,137.56/541,988.04
  6. Step 6: Final answer
    x = 645,346.52

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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.