Home / 1,113,873.47-1,536,881.90-630,438.61

Finding the Fourth Proportional to 1,113,873.47, 1,536,881.90 and 630,438.61

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Solution

The fourth proportional to 1,113,873.47, 1,536,881.90 and 630,438.61 is: 869,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,873.47 : 1,536,881.90 = 630,438.61 : x
  2. Step 2: Convert to fraction form
    1,113,873.47/1,536,881.90 = 630,438.61/x
  3. Step 3: Cross multiply
    1,113,873.47x = 1,536,881.90 × 630,438.61
  4. Step 4: Simplify right side
    1,113,873.47x = 968,909,696,589.84
  5. Step 5: Solve for x
    x = 968,909,696,589.84/1,113,873.47
  6. Step 6: Final answer
    x = 869,856.16

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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.