Home / 778,412.35-1,168,110.60-458,563.60

Finding the Fourth Proportional to 778,412.35, 1,168,110.60 and 458,563.60

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Solution

The fourth proportional to 778,412.35, 1,168,110.60 and 458,563.60 is: 688,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,412.35 : 1,168,110.60 = 458,563.60 : x
  2. Step 2: Convert to fraction form
    778,412.35/1,168,110.60 = 458,563.60/x
  3. Step 3: Cross multiply
    778,412.35x = 1,168,110.60 × 458,563.60
  4. Step 4: Simplify right side
    778,412.35x = 535,653,001,934.16
  5. Step 5: Solve for x
    x = 535,653,001,934.16/778,412.35
  6. Step 6: Final answer
    x = 688,135.28

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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.