Home / 936,838.58-1,292,836.16-507,118.58

Finding the Fourth Proportional to 936,838.58, 1,292,836.16 and 507,118.58

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Solution

The fourth proportional to 936,838.58, 1,292,836.16 and 507,118.58 is: 699,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,838.58 : 1,292,836.16 = 507,118.58 : x
  2. Step 2: Convert to fraction form
    936,838.58/1,292,836.16 = 507,118.58/x
  3. Step 3: Cross multiply
    936,838.58x = 1,292,836.16 × 507,118.58
  4. Step 4: Simplify right side
    936,838.58x = 655,621,237,631.85
  5. Step 5: Solve for x
    x = 655,621,237,631.85/936,838.58
  6. Step 6: Final answer
    x = 699,823.06

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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.