Home / 761,719-1,051,206.51-435,060.40

Finding the Fourth Proportional to 761,719, 1,051,206.51 and 435,060.40

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Solution

The fourth proportional to 761,719, 1,051,206.51 and 435,060.40 is: 600,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,719 : 1,051,206.51 = 435,060.40 : x
  2. Step 2: Convert to fraction form
    761,719/1,051,206.51 = 435,060.40/x
  3. Step 3: Cross multiply
    761,719x = 1,051,206.51 × 435,060.40
  4. Step 4: Simplify right side
    761,719x = 457,338,324,723.20
  5. Step 5: Solve for x
    x = 457,338,324,723.20/761,719
  6. Step 6: Final answer
    x = 600,402.94

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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.