Home / 530,177.74-731,623.43-288,461.27

Finding the Fourth Proportional to 530,177.74, 731,623.43 and 288,461.27

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Solution

The fourth proportional to 530,177.74, 731,623.43 and 288,461.27 is: 398,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,177.74 : 731,623.43 = 288,461.27 : x
  2. Step 2: Convert to fraction form
    530,177.74/731,623.43 = 288,461.27/x
  3. Step 3: Cross multiply
    530,177.74x = 731,623.43 × 288,461.27
  4. Step 4: Simplify right side
    530,177.74x = 211,045,026,329.77
  5. Step 5: Solve for x
    x = 211,045,026,329.77/530,177.74
  6. Step 6: Final answer
    x = 398,064.67

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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.