Home / 723,077.16-997,328.34-477,777.80

Finding the Fourth Proportional to 723,077.16, 997,328.34 and 477,777.80

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Solution

The fourth proportional to 723,077.16, 997,328.34 and 477,777.80 is: 658,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,077.16 : 997,328.34 = 477,777.80 : x
  2. Step 2: Convert to fraction form
    723,077.16/997,328.34 = 477,777.80/x
  3. Step 3: Cross multiply
    723,077.16x = 997,328.34 × 477,777.80
  4. Step 4: Simplify right side
    723,077.16x = 476,501,340,162.85
  5. Step 5: Solve for x
    x = 476,501,340,162.85/723,077.16
  6. Step 6: Final answer
    x = 658,991.00

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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.