Home / 816,809.52-1,127,031.96-477,212.16

Finding the Fourth Proportional to 816,809.52, 1,127,031.96 and 477,212.16

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Solution

The fourth proportional to 816,809.52, 1,127,031.96 and 477,212.16 is: 658,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,809.52 : 1,127,031.96 = 477,212.16 : x
  2. Step 2: Convert to fraction form
    816,809.52/1,127,031.96 = 477,212.16/x
  3. Step 3: Cross multiply
    816,809.52x = 1,127,031.96 × 477,212.16
  4. Step 4: Simplify right side
    816,809.52x = 537,833,356,020.63
  5. Step 5: Solve for x
    x = 537,833,356,020.63/816,809.52
  6. Step 6: Final answer
    x = 658,456.28

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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.