Home / 1,226,817.65-1,840,085.69-328,329.50

Finding the Fourth Proportional to 1,226,817.65, 1,840,085.69 and 328,329.50

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Solution

The fourth proportional to 1,226,817.65, 1,840,085.69 and 328,329.50 is: 492,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,817.65 : 1,840,085.69 = 328,329.50 : x
  2. Step 2: Convert to fraction form
    1,226,817.65/1,840,085.69 = 328,329.50/x
  3. Step 3: Cross multiply
    1,226,817.65x = 1,840,085.69 × 328,329.50
  4. Step 4: Simplify right side
    1,226,817.65x = 604,154,403,712.78
  5. Step 5: Solve for x
    x = 604,154,403,712.78/1,226,817.65
  6. Step 6: Final answer
    x = 492,456.56

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1.5x scale

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.