Home / 829,064.40-1,243,769.40-473,787.60

Finding the Fourth Proportional to 829,064.40, 1,243,769.40 and 473,787.60

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Solution

The fourth proportional to 829,064.40, 1,243,769.40 and 473,787.60 is: 710,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,064.40 : 1,243,769.40 = 473,787.60 : x
  2. Step 2: Convert to fraction form
    829,064.40/1,243,769.40 = 473,787.60/x
  3. Step 3: Cross multiply
    829,064.40x = 1,243,769.40 × 473,787.60
  4. Step 4: Simplify right side
    829,064.40x = 589,282,518,979.44
  5. Step 5: Solve for x
    x = 589,282,518,979.44/829,064.40
  6. Step 6: Final answer
    x = 710,780.15

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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.