Home / 916,235.39-1,264,362-508,332.89

Finding the Fourth Proportional to 916,235.39, 1,264,362 and 508,332.89

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Solution

The fourth proportional to 916,235.39, 1,264,362 and 508,332.89 is: 701,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,235.39 : 1,264,362 = 508,332.89 : x
  2. Step 2: Convert to fraction form
    916,235.39/1,264,362 = 508,332.89/x
  3. Step 3: Cross multiply
    916,235.39x = 1,264,362 × 508,332.89
  4. Step 4: Simplify right side
    916,235.39x = 642,716,789,466.18
  5. Step 5: Solve for x
    x = 642,716,789,466.18/916,235.39
  6. Step 6: Final answer
    x = 701,475.62

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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.