Home / 736,143.40-1,103,826.30-314,943.40

Finding the Fourth Proportional to 736,143.40, 1,103,826.30 and 314,943.40

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Solution

The fourth proportional to 736,143.40, 1,103,826.30 and 314,943.40 is: 472,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,143.40 : 1,103,826.30 = 314,943.40 : x
  2. Step 2: Convert to fraction form
    736,143.40/1,103,826.30 = 314,943.40/x
  3. Step 3: Cross multiply
    736,143.40x = 1,103,826.30 × 314,943.40
  4. Step 4: Simplify right side
    736,143.40x = 347,642,807,931.42
  5. Step 5: Solve for x
    x = 347,642,807,931.42/736,143.40
  6. Step 6: Final answer
    x = 472,248.76

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1.5x scale

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.