Home / 914,025.65-1,261,339.98-506,118.73

Finding the Fourth Proportional to 914,025.65, 1,261,339.98 and 506,118.73

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Solution

The fourth proportional to 914,025.65, 1,261,339.98 and 506,118.73 is: 698,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,025.65 : 1,261,339.98 = 506,118.73 : x
  2. Step 2: Convert to fraction form
    914,025.65/1,261,339.98 = 506,118.73/x
  3. Step 3: Cross multiply
    914,025.65x = 1,261,339.98 × 506,118.73
  4. Step 4: Simplify right side
    914,025.65x = 638,387,788,775.83
  5. Step 5: Solve for x
    x = 638,387,788,775.83/914,025.65
  6. Step 6: Final answer
    x = 698,435.31

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Double scale
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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.