Home / 558,865.15-833,649.20-505,055.23

Finding the Fourth Proportional to 558,865.15, 833,649.20 and 505,055.23

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Solution

The fourth proportional to 558,865.15, 833,649.20 and 505,055.23 is: 753,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,865.15 : 833,649.20 = 505,055.23 : x
  2. Step 2: Convert to fraction form
    558,865.15/833,649.20 = 505,055.23/x
  3. Step 3: Cross multiply
    558,865.15x = 833,649.20 × 505,055.23
  4. Step 4: Simplify right side
    558,865.15x = 421,038,888,445.32
  5. Step 5: Solve for x
    x = 421,038,888,445.32/558,865.15
  6. Step 6: Final answer
    x = 753,381.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.