Home / 519,746.70-779,554.35-164,764.20

Finding the Fourth Proportional to 519,746.70, 779,554.35 and 164,764.20

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Solution

The fourth proportional to 519,746.70, 779,554.35 and 164,764.20 is: 247,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,746.70 : 779,554.35 = 164,764.20 : x
  2. Step 2: Convert to fraction form
    519,746.70/779,554.35 = 164,764.20/x
  3. Step 3: Cross multiply
    519,746.70x = 779,554.35 × 164,764.20
  4. Step 4: Simplify right side
    519,746.70x = 128,442,648,834.27
  5. Step 5: Solve for x
    x = 128,442,648,834.27/519,746.70
  6. Step 6: Final answer
    x = 247,125.47

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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.