Home / 456,528.45-630,211.05-272,831.83

Finding the Fourth Proportional to 456,528.45, 630,211.05 and 272,831.83

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Solution

The fourth proportional to 456,528.45, 630,211.05 and 272,831.83 is: 376,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,528.45 : 630,211.05 = 272,831.83 : x
  2. Step 2: Convert to fraction form
    456,528.45/630,211.05 = 272,831.83/x
  3. Step 3: Cross multiply
    456,528.45x = 630,211.05 × 272,831.83
  4. Step 4: Simplify right side
    456,528.45x = 171,941,632,482.19
  5. Step 5: Solve for x
    x = 171,941,632,482.19/456,528.45
  6. Step 6: Final answer
    x = 376,628.51

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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.