Home / 785,929.20-1,178,893.80-470,223.60

Finding the Fourth Proportional to 785,929.20, 1,178,893.80 and 470,223.60

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Solution

The fourth proportional to 785,929.20, 1,178,893.80 and 470,223.60 is: 705,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,929.20 : 1,178,893.80 = 470,223.60 : x
  2. Step 2: Convert to fraction form
    785,929.20/1,178,893.80 = 470,223.60/x
  3. Step 3: Cross multiply
    785,929.20x = 1,178,893.80 × 470,223.60
  4. Step 4: Simplify right side
    785,929.20x = 554,343,686,653.68
  5. Step 5: Solve for x
    x = 554,343,686,653.68/785,929.20
  6. Step 6: Final answer
    x = 705,335.40

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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.