Home / 673,531.56-929,450.43-401,459.19

Finding the Fourth Proportional to 673,531.56, 929,450.43 and 401,459.19

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Solution

The fourth proportional to 673,531.56, 929,450.43 and 401,459.19 is: 553,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,531.56 : 929,450.43 = 401,459.19 : x
  2. Step 2: Convert to fraction form
    673,531.56/929,450.43 = 401,459.19/x
  3. Step 3: Cross multiply
    673,531.56x = 929,450.43 × 401,459.19
  4. Step 4: Simplify right side
    673,531.56x = 373,136,416,772.95
  5. Step 5: Solve for x
    x = 373,136,416,772.95/673,531.56
  6. Step 6: Final answer
    x = 553,999.90

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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.