Home / 829,137.13-1,143,803.33-506,288.54

Finding the Fourth Proportional to 829,137.13, 1,143,803.33 and 506,288.54

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Solution

The fourth proportional to 829,137.13, 1,143,803.33 and 506,288.54 is: 698,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,137.13 : 1,143,803.33 = 506,288.54 : x
  2. Step 2: Convert to fraction form
    829,137.13/1,143,803.33 = 506,288.54/x
  3. Step 3: Cross multiply
    829,137.13x = 1,143,803.33 × 506,288.54
  4. Step 4: Simplify right side
    829,137.13x = 579,094,520,219.49
  5. Step 5: Solve for x
    x = 579,094,520,219.49/829,137.13
  6. Step 6: Final answer
    x = 698,430.33

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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.