Home / 1,113,909.71-1,536,931.95-630,474.87

Finding the Fourth Proportional to 1,113,909.71, 1,536,931.95 and 630,474.87

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Solution

The fourth proportional to 1,113,909.71, 1,536,931.95 and 630,474.87 is: 869,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,909.71 : 1,536,931.95 = 630,474.87 : x
  2. Step 2: Convert to fraction form
    1,113,909.71/1,536,931.95 = 630,474.87/x
  3. Step 3: Cross multiply
    1,113,909.71x = 1,536,931.95 × 630,474.87
  4. Step 4: Simplify right side
    1,113,909.71x = 968,996,974,774.31
  5. Step 5: Solve for x
    x = 968,996,974,774.31/1,113,909.71
  6. Step 6: Final answer
    x = 869,906.21

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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.