Home / 581,743.48-802,144.10-409,606.42

Finding the Fourth Proportional to 581,743.48, 802,144.10 and 409,606.42

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Solution

The fourth proportional to 581,743.48, 802,144.10 and 409,606.42 is: 564,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,743.48 : 802,144.10 = 409,606.42 : x
  2. Step 2: Convert to fraction form
    581,743.48/802,144.10 = 409,606.42/x
  3. Step 3: Cross multiply
    581,743.48x = 802,144.10 × 409,606.42
  4. Step 4: Simplify right side
    581,743.48x = 328,563,373,071.79
  5. Step 5: Solve for x
    x = 328,563,373,071.79/581,743.48
  6. Step 6: Final answer
    x = 564,790.81

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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.