Home / 786,466.77-1,085,307.92-437,599.43

Finding the Fourth Proportional to 786,466.77, 1,085,307.92 and 437,599.43

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Solution

The fourth proportional to 786,466.77, 1,085,307.92 and 437,599.43 is: 603,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,466.77 : 1,085,307.92 = 437,599.43 : x
  2. Step 2: Convert to fraction form
    786,466.77/1,085,307.92 = 437,599.43/x
  3. Step 3: Cross multiply
    786,466.77x = 1,085,307.92 × 437,599.43
  4. Step 4: Simplify right side
    786,466.77x = 474,930,127,859.85
  5. Step 5: Solve for x
    x = 474,930,127,859.85/786,466.77
  6. Step 6: Final answer
    x = 603,878.19

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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.