Home / 1,639,554.10-2,459,331.15-517,477.30

Finding the Fourth Proportional to 1,639,554.10, 2,459,331.15 and 517,477.30

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Solution

The fourth proportional to 1,639,554.10, 2,459,331.15 and 517,477.30 is: 776,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,554.10 : 2,459,331.15 = 517,477.30 : x
  2. Step 2: Convert to fraction form
    1,639,554.10/2,459,331.15 = 517,477.30/x
  3. Step 3: Cross multiply
    1,639,554.10x = 2,459,331.15 × 517,477.30
  4. Step 4: Simplify right side
    1,639,554.10x = 1,272,648,043,307.90
  5. Step 5: Solve for x
    x = 1,272,648,043,307.90/1,639,554.10
  6. Step 6: Final answer
    x = 776,215.95

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Double scale
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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.