Home / 1,115,609.28-1,539,532.32-606,315.30

Finding the Fourth Proportional to 1,115,609.28, 1,539,532.32 and 606,315.30

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Solution

The fourth proportional to 1,115,609.28, 1,539,532.32 and 606,315.30 is: 836,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,609.28 : 1,539,532.32 = 606,315.30 : x
  2. Step 2: Convert to fraction form
    1,115,609.28/1,539,532.32 = 606,315.30/x
  3. Step 3: Cross multiply
    1,115,609.28x = 1,539,532.32 × 606,315.30
  4. Step 4: Simplify right side
    1,115,609.28x = 933,442,000,460.50
  5. Step 5: Solve for x
    x = 933,442,000,460.50/1,115,609.28
  6. Step 6: Final answer
    x = 836,710.50

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Double scale
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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.