Home / 684,308.44-944,263.23-378,343.50

Finding the Fourth Proportional to 684,308.44, 944,263.23 and 378,343.50

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Solution

The fourth proportional to 684,308.44, 944,263.23 and 378,343.50 is: 522,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,308.44 : 944,263.23 = 378,343.50 : x
  2. Step 2: Convert to fraction form
    684,308.44/944,263.23 = 378,343.50/x
  3. Step 3: Cross multiply
    684,308.44x = 944,263.23 × 378,343.50
  4. Step 4: Simplify right side
    684,308.44x = 357,255,855,359.51
  5. Step 5: Solve for x
    x = 357,255,855,359.51/684,308.44
  6. Step 6: Final answer
    x = 522,068.46

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1.5x scale

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.