Home / 589,109.38-812,829.81-347,372.98

Finding the Fourth Proportional to 589,109.38, 812,829.81 and 347,372.98

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Solution

The fourth proportional to 589,109.38, 812,829.81 and 347,372.98 is: 479,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,109.38 : 812,829.81 = 347,372.98 : x
  2. Step 2: Convert to fraction form
    589,109.38/812,829.81 = 347,372.98/x
  3. Step 3: Cross multiply
    589,109.38x = 812,829.81 × 347,372.98
  4. Step 4: Simplify right side
    589,109.38x = 282,355,113,332.53
  5. Step 5: Solve for x
    x = 282,355,113,332.53/589,109.38
  6. Step 6: Final answer
    x = 479,291.49

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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.