Home / 684,123.63-1,026,352.67-482,113.82

Finding the Fourth Proportional to 684,123.63, 1,026,352.67 and 482,113.82

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Solution

The fourth proportional to 684,123.63, 1,026,352.67 and 482,113.82 is: 723,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,123.63 : 1,026,352.67 = 482,113.82 : x
  2. Step 2: Convert to fraction form
    684,123.63/1,026,352.67 = 482,113.82/x
  3. Step 3: Cross multiply
    684,123.63x = 1,026,352.67 × 482,113.82
  4. Step 4: Simplify right side
    684,123.63x = 494,818,798,858.57
  5. Step 5: Solve for x
    x = 494,818,798,858.57/684,123.63
  6. Step 6: Final answer
    x = 723,288.57

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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.