Home / 916,456.60-1,264,676.88-508,576.24

Finding the Fourth Proportional to 916,456.60, 1,264,676.88 and 508,576.24

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Solution

The fourth proportional to 916,456.60, 1,264,676.88 and 508,576.24 is: 701,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,456.60 : 1,264,676.88 = 508,576.24 : x
  2. Step 2: Convert to fraction form
    916,456.60/1,264,676.88 = 508,576.24/x
  3. Step 3: Cross multiply
    916,456.60x = 1,264,676.88 × 508,576.24
  4. Step 4: Simplify right side
    916,456.60x = 643,184,612,445.33
  5. Step 5: Solve for x
    x = 643,184,612,445.33/916,456.60
  6. Step 6: Final answer
    x = 701,816.77

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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.