Home / 669,341.16-923,688.90-401,069.16

Finding the Fourth Proportional to 669,341.16, 923,688.90 and 401,069.16

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Solution

The fourth proportional to 669,341.16, 923,688.90 and 401,069.16 is: 553,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,341.16 : 923,688.90 = 401,069.16 : x
  2. Step 2: Convert to fraction form
    669,341.16/923,688.90 = 401,069.16/x
  3. Step 3: Cross multiply
    669,341.16x = 923,688.90 × 401,069.16
  4. Step 4: Simplify right side
    669,341.16x = 370,463,131,224.32
  5. Step 5: Solve for x
    x = 370,463,131,224.32/669,341.16
  6. Step 6: Final answer
    x = 553,474.30

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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.