Home / 963,030.92-1,328,625.78-623,686.28

Finding the Fourth Proportional to 963,030.92, 1,328,625.78 and 623,686.28

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Solution

The fourth proportional to 963,030.92, 1,328,625.78 and 623,686.28 is: 860,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,030.92 : 1,328,625.78 = 623,686.28 : x
  2. Step 2: Convert to fraction form
    963,030.92/1,328,625.78 = 623,686.28/x
  3. Step 3: Cross multiply
    963,030.92x = 1,328,625.78 × 623,686.28
  4. Step 4: Simplify right side
    963,030.92x = 828,645,670,240.30
  5. Step 5: Solve for x
    x = 828,645,670,240.30/963,030.92
  6. Step 6: Final answer
    x = 860,455.93

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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.