Home / 531,254.03-733,139.57-289,549.82

Finding the Fourth Proportional to 531,254.03, 733,139.57 and 289,549.82

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Solution

The fourth proportional to 531,254.03, 733,139.57 and 289,549.82 is: 399,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,254.03 : 733,139.57 = 289,549.82 : x
  2. Step 2: Convert to fraction form
    531,254.03/733,139.57 = 289,549.82/x
  3. Step 3: Cross multiply
    531,254.03x = 733,139.57 × 289,549.82
  4. Step 4: Simplify right side
    531,254.03x = 212,280,433,085.10
  5. Step 5: Solve for x
    x = 212,280,433,085.10/531,254.03
  6. Step 6: Final answer
    x = 399,583.67

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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.