Home / 690,741.45-953,252.63-384,817.67

Finding the Fourth Proportional to 690,741.45, 953,252.63 and 384,817.67

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Solution

The fourth proportional to 690,741.45, 953,252.63 and 384,817.67 is: 531,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,741.45 : 953,252.63 = 384,817.67 : x
  2. Step 2: Convert to fraction form
    690,741.45/953,252.63 = 384,817.67/x
  3. Step 3: Cross multiply
    690,741.45x = 953,252.63 × 384,817.67
  4. Step 4: Simplify right side
    690,741.45x = 366,828,449,307.62
  5. Step 5: Solve for x
    x = 366,828,449,307.62/690,741.45
  6. Step 6: Final answer
    x = 531,064.77

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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.