Home / 829,064.85-1,144,131.81-466,501.56

Finding the Fourth Proportional to 829,064.85, 1,144,131.81 and 466,501.56

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Solution

The fourth proportional to 829,064.85, 1,144,131.81 and 466,501.56 is: 643,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,064.85 : 1,144,131.81 = 466,501.56 : x
  2. Step 2: Convert to fraction form
    829,064.85/1,144,131.81 = 466,501.56/x
  3. Step 3: Cross multiply
    829,064.85x = 1,144,131.81 × 466,501.56
  4. Step 4: Simplify right side
    829,064.85x = 533,739,274,210.62
  5. Step 5: Solve for x
    x = 533,739,274,210.62/829,064.85
  6. Step 6: Final answer
    x = 643,784.71

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Double scale
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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.