Home / 1,010,948.08-1,516,427.16-411,915.28

Finding the Fourth Proportional to 1,010,948.08, 1,516,427.16 and 411,915.28

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Solution

The fourth proportional to 1,010,948.08, 1,516,427.16 and 411,915.28 is: 617,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,948.08 : 1,516,427.16 = 411,915.28 : x
  2. Step 2: Convert to fraction form
    1,010,948.08/1,516,427.16 = 411,915.28/x
  3. Step 3: Cross multiply
    1,010,948.08x = 1,516,427.16 × 411,915.28
  4. Step 4: Simplify right side
    1,010,948.08x = 624,639,518,211.01
  5. Step 5: Solve for x
    x = 624,639,518,211.01/1,010,948.08
  6. Step 6: Final answer
    x = 617,874.97

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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.