Home / 669,536.12-923,955.66-401,264.12

Finding the Fourth Proportional to 669,536.12, 923,955.66 and 401,264.12

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Solution

The fourth proportional to 669,536.12, 923,955.66 and 401,264.12 is: 553,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,536.12 : 923,955.66 = 401,264.12 : x
  2. Step 2: Convert to fraction form
    669,536.12/923,955.66 = 401,264.12/x
  3. Step 3: Cross multiply
    669,536.12x = 923,955.66 × 401,264.12
  4. Step 4: Simplify right side
    669,536.12x = 370,750,254,828.92
  5. Step 5: Solve for x
    x = 370,750,254,828.92/669,536.12
  6. Step 6: Final answer
    x = 553,741.98

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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.