Home / 722,495.80-1,083,743.70-470,553.40

Finding the Fourth Proportional to 722,495.80, 1,083,743.70 and 470,553.40

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Solution

The fourth proportional to 722,495.80, 1,083,743.70 and 470,553.40 is: 705,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,495.80 : 1,083,743.70 = 470,553.40 : x
  2. Step 2: Convert to fraction form
    722,495.80/1,083,743.70 = 470,553.40/x
  3. Step 3: Cross multiply
    722,495.80x = 1,083,743.70 × 470,553.40
  4. Step 4: Simplify right side
    722,495.80x = 509,959,282,763.58
  5. Step 5: Solve for x
    x = 509,959,282,763.58/722,495.80
  6. Step 6: Final answer
    x = 705,830.10

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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.