Home / 1,157,909.40-1,736,345.70-526,498.20

Finding the Fourth Proportional to 1,157,909.40, 1,736,345.70 and 526,498.20

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Solution

The fourth proportional to 1,157,909.40, 1,736,345.70 and 526,498.20 is: 789,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,909.40 : 1,736,345.70 = 526,498.20 : x
  2. Step 2: Convert to fraction form
    1,157,909.40/1,736,345.70 = 526,498.20/x
  3. Step 3: Cross multiply
    1,157,909.40x = 1,736,345.70 × 526,498.20
  4. Step 4: Simplify right side
    1,157,909.40x = 914,182,885,627.74
  5. Step 5: Solve for x
    x = 914,182,885,627.74/1,157,909.40
  6. Step 6: Final answer
    x = 789,511.58

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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.