Home / 571,401.79-788,374.93-450,166.81

Finding the Fourth Proportional to 571,401.79, 788,374.93 and 450,166.81

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Solution

The fourth proportional to 571,401.79, 788,374.93 and 450,166.81 is: 621,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,401.79 : 788,374.93 = 450,166.81 : x
  2. Step 2: Convert to fraction form
    571,401.79/788,374.93 = 450,166.81/x
  3. Step 3: Cross multiply
    571,401.79x = 788,374.93 × 450,166.81
  4. Step 4: Simplify right side
    571,401.79x = 354,900,227,322.07
  5. Step 5: Solve for x
    x = 354,900,227,322.07/571,401.79
  6. Step 6: Final answer
    x = 621,104.51

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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.