Home / 745,707.64-1,116,476.92-402,922.94

Finding the Fourth Proportional to 745,707.64, 1,116,476.92 and 402,922.94

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Solution

The fourth proportional to 745,707.64, 1,116,476.92 and 402,922.94 is: 603,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,707.64 : 1,116,476.92 = 402,922.94 : x
  2. Step 2: Convert to fraction form
    745,707.64/1,116,476.92 = 402,922.94/x
  3. Step 3: Cross multiply
    745,707.64x = 1,116,476.92 × 402,922.94
  4. Step 4: Simplify right side
    745,707.64x = 449,854,163,048.55
  5. Step 5: Solve for x
    x = 449,854,163,048.55/745,707.64
  6. Step 6: Final answer
    x = 603,258.09

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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.