Home / 623,108.28-859,889.86-336,628.28

Finding the Fourth Proportional to 623,108.28, 859,889.86 and 336,628.28

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Solution

The fourth proportional to 623,108.28, 859,889.86 and 336,628.28 is: 464,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,108.28 : 859,889.86 = 336,628.28 : x
  2. Step 2: Convert to fraction form
    623,108.28/859,889.86 = 336,628.28/x
  3. Step 3: Cross multiply
    623,108.28x = 859,889.86 × 336,628.28
  4. Step 4: Simplify right side
    623,108.28x = 289,463,244,561.24
  5. Step 5: Solve for x
    x = 289,463,244,561.24/623,108.28
  6. Step 6: Final answer
    x = 464,547.26

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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.