Home / 623,099.52-859,312.80-408,161.16

Finding the Fourth Proportional to 623,099.52, 859,312.80 and 408,161.16

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Solution

The fourth proportional to 623,099.52, 859,312.80 and 408,161.16 is: 562,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,099.52 : 859,312.80 = 408,161.16 : x
  2. Step 2: Convert to fraction form
    623,099.52/859,312.80 = 408,161.16/x
  3. Step 3: Cross multiply
    623,099.52x = 859,312.80 × 408,161.16
  4. Step 4: Simplify right side
    623,099.52x = 350,738,109,250.85
  5. Step 5: Solve for x
    x = 350,738,109,250.85/623,099.52
  6. Step 6: Final answer
    x = 562,892.60

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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.