Home / 705,511.66-973,613.28-383,228.05

Finding the Fourth Proportional to 705,511.66, 973,613.28 and 383,228.05

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Solution

The fourth proportional to 705,511.66, 973,613.28 and 383,228.05 is: 528,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,511.66 : 973,613.28 = 383,228.05 : x
  2. Step 2: Convert to fraction form
    705,511.66/973,613.28 = 383,228.05/x
  3. Step 3: Cross multiply
    705,511.66x = 973,613.28 × 383,228.05
  4. Step 4: Simplify right side
    705,511.66x = 373,115,918,748.50
  5. Step 5: Solve for x
    x = 373,115,918,748.50/705,511.66
  6. Step 6: Final answer
    x = 528,858.61

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1.5x scale

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.