Home / 594,629.10-820,045.62-390,598.20

Finding the Fourth Proportional to 594,629.10, 820,045.62 and 390,598.20

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Solution

The fourth proportional to 594,629.10, 820,045.62 and 390,598.20 is: 538,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,629.10 : 820,045.62 = 390,598.20 : x
  2. Step 2: Convert to fraction form
    594,629.10/820,045.62 = 390,598.20/x
  3. Step 3: Cross multiply
    594,629.10x = 820,045.62 × 390,598.20
  4. Step 4: Simplify right side
    594,629.10x = 320,308,343,089.88
  5. Step 5: Solve for x
    x = 320,308,343,089.88/594,629.10
  6. Step 6: Final answer
    x = 538,669.14

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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.