Home / 808,393.48-1,212,256.59-275,957.40

Finding the Fourth Proportional to 808,393.48, 1,212,256.59 and 275,957.40

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Solution

The fourth proportional to 808,393.48, 1,212,256.59 and 275,957.40 is: 413,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,393.48 : 1,212,256.59 = 275,957.40 : x
  2. Step 2: Convert to fraction form
    808,393.48/1,212,256.59 = 275,957.40/x
  3. Step 3: Cross multiply
    808,393.48x = 1,212,256.59 × 275,957.40
  4. Step 4: Simplify right side
    808,393.48x = 334,531,176,709.27
  5. Step 5: Solve for x
    x = 334,531,176,709.27/808,393.48
  6. Step 6: Final answer
    x = 413,822.21

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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.