Home / 886,856.16-1,223,859.60-484,448.16

Finding the Fourth Proportional to 886,856.16, 1,223,859.60 and 484,448.16

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Solution

The fourth proportional to 886,856.16, 1,223,859.60 and 484,448.16 is: 668,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,856.16 : 1,223,859.60 = 484,448.16 : x
  2. Step 2: Convert to fraction form
    886,856.16/1,223,859.60 = 484,448.16/x
  3. Step 3: Cross multiply
    886,856.16x = 1,223,859.60 × 484,448.16
  4. Step 4: Simplify right side
    886,856.16x = 592,896,531,318.34
  5. Step 5: Solve for x
    x = 592,896,531,318.34/886,856.16
  6. Step 6: Final answer
    x = 668,537.42

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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.