Home / 673,770.90-1,010,656.35-434,622.45

Finding the Fourth Proportional to 673,770.90, 1,010,656.35 and 434,622.45

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Solution

The fourth proportional to 673,770.90, 1,010,656.35 and 434,622.45 is: 651,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,770.90 : 1,010,656.35 = 434,622.45 : x
  2. Step 2: Convert to fraction form
    673,770.90/1,010,656.35 = 434,622.45/x
  3. Step 3: Cross multiply
    673,770.90x = 1,010,656.35 × 434,622.45
  4. Step 4: Simplify right side
    673,770.90x = 439,253,938,945.06
  5. Step 5: Solve for x
    x = 439,253,938,945.06/673,770.90
  6. Step 6: Final answer
    x = 651,933.68

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Double scale
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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.