Home / 665,904.29-919,197.81-436,476.35

Finding the Fourth Proportional to 665,904.29, 919,197.81 and 436,476.35

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Solution

The fourth proportional to 665,904.29, 919,197.81 and 436,476.35 is: 602,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,904.29 : 919,197.81 = 436,476.35 : x
  2. Step 2: Convert to fraction form
    665,904.29/919,197.81 = 436,476.35/x
  3. Step 3: Cross multiply
    665,904.29x = 919,197.81 × 436,476.35
  4. Step 4: Simplify right side
    665,904.29x = 401,208,107,334.79
  5. Step 5: Solve for x
    x = 401,208,107,334.79/665,904.29
  6. Step 6: Final answer
    x = 602,501.16

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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.