Home / 985,618.64-1,360,154.40-532,909.64

Finding the Fourth Proportional to 985,618.64, 1,360,154.40 and 532,909.64

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Solution

The fourth proportional to 985,618.64, 1,360,154.40 and 532,909.64 is: 735,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,618.64 : 1,360,154.40 = 532,909.64 : x
  2. Step 2: Convert to fraction form
    985,618.64/1,360,154.40 = 532,909.64/x
  3. Step 3: Cross multiply
    985,618.64x = 1,360,154.40 × 532,909.64
  4. Step 4: Simplify right side
    985,618.64x = 724,839,391,648.42
  5. Step 5: Solve for x
    x = 724,839,391,648.42/985,618.64
  6. Step 6: Final answer
    x = 735,415.67

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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.