Home / 977,230.85-1,348,615.64-547,496.28

Finding the Fourth Proportional to 977,230.85, 1,348,615.64 and 547,496.28

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Solution

The fourth proportional to 977,230.85, 1,348,615.64 and 547,496.28 is: 755,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,230.85 : 1,348,615.64 = 547,496.28 : x
  2. Step 2: Convert to fraction form
    977,230.85/1,348,615.64 = 547,496.28/x
  3. Step 3: Cross multiply
    977,230.85x = 1,348,615.64 × 547,496.28
  4. Step 4: Simplify right side
    977,230.85x = 738,362,047,418.56
  5. Step 5: Solve for x
    x = 738,362,047,418.56/977,230.85
  6. Step 6: Final answer
    x = 755,565.64

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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.