Home / 2,176,827.40-3,264,386.70-828,273.80

Finding the Fourth Proportional to 2,176,827.40, 3,264,386.70 and 828,273.80

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Solution

The fourth proportional to 2,176,827.40, 3,264,386.70 and 828,273.80 is: 1,242,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,827.40 : 3,264,386.70 = 828,273.80 : x
  2. Step 2: Convert to fraction form
    2,176,827.40/3,264,386.70 = 828,273.80/x
  3. Step 3: Cross multiply
    2,176,827.40x = 3,264,386.70 × 828,273.80
  4. Step 4: Simplify right side
    2,176,827.40x = 2,703,805,976,678.46
  5. Step 5: Solve for x
    x = 2,703,805,976,678.46/2,176,827.40
  6. Step 6: Final answer
    x = 1,242,085.60

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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.