Home / 461,756.50-637,330.05-270,831.40

Finding the Fourth Proportional to 461,756.50, 637,330.05 and 270,831.40

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Solution

The fourth proportional to 461,756.50, 637,330.05 and 270,831.40 is: 373,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,756.50 : 637,330.05 = 270,831.40 : x
  2. Step 2: Convert to fraction form
    461,756.50/637,330.05 = 270,831.40/x
  3. Step 3: Cross multiply
    461,756.50x = 637,330.05 × 270,831.40
  4. Step 4: Simplify right side
    461,756.50x = 172,608,989,703.57
  5. Step 5: Solve for x
    x = 172,608,989,703.57/461,756.50
  6. Step 6: Final answer
    x = 373,809.55

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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.