Home / 926,732.70-1,388,349.45-475,919.10

Finding the Fourth Proportional to 926,732.70, 1,388,349.45 and 475,919.10

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Solution

The fourth proportional to 926,732.70, 1,388,349.45 and 475,919.10 is: 712,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,732.70 : 1,388,349.45 = 475,919.10 : x
  2. Step 2: Convert to fraction form
    926,732.70/1,388,349.45 = 475,919.10/x
  3. Step 3: Cross multiply
    926,732.70x = 1,388,349.45 × 475,919.10
  4. Step 4: Simplify right side
    926,732.70x = 660,742,020,729.50
  5. Step 5: Solve for x
    x = 660,742,020,729.50/926,732.70
  6. Step 6: Final answer
    x = 712,980.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.