Home / 666,351.24-999,526.08-217,071.40

Finding the Fourth Proportional to 666,351.24, 999,526.08 and 217,071.40

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Solution

The fourth proportional to 666,351.24, 999,526.08 and 217,071.40 is: 325,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,351.24 : 999,526.08 = 217,071.40 : x
  2. Step 2: Convert to fraction form
    666,351.24/999,526.08 = 217,071.40/x
  3. Step 3: Cross multiply
    666,351.24x = 999,526.08 × 217,071.40
  4. Step 4: Simplify right side
    666,351.24x = 216,968,525,522.11
  5. Step 5: Solve for x
    x = 216,968,525,522.11/666,351.24
  6. Step 6: Final answer
    x = 325,606.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.