Home / 624,948.09-937,466.18-309,320.25

Finding the Fourth Proportional to 624,948.09, 937,466.18 and 309,320.25

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Solution

The fourth proportional to 624,948.09, 937,466.18 and 309,320.25 is: 464,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,948.09 : 937,466.18 = 309,320.25 : x
  2. Step 2: Convert to fraction form
    624,948.09/937,466.18 = 309,320.25/x
  3. Step 3: Cross multiply
    624,948.09x = 937,466.18 × 309,320.25
  4. Step 4: Simplify right side
    624,948.09x = 289,977,271,617.54
  5. Step 5: Solve for x
    x = 289,977,271,617.54/624,948.09
  6. Step 6: Final answer
    x = 464,002.17

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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.