Home / 723,205.80-1,084,808.70-471,263.40

Finding the Fourth Proportional to 723,205.80, 1,084,808.70 and 471,263.40

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Solution

The fourth proportional to 723,205.80, 1,084,808.70 and 471,263.40 is: 706,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,205.80 : 1,084,808.70 = 471,263.40 : x
  2. Step 2: Convert to fraction form
    723,205.80/1,084,808.70 = 471,263.40/x
  3. Step 3: Cross multiply
    723,205.80x = 1,084,808.70 × 471,263.40
  4. Step 4: Simplify right side
    723,205.80x = 511,230,636,311.58
  5. Step 5: Solve for x
    x = 511,230,636,311.58/723,205.80
  6. Step 6: Final answer
    x = 706,895.10

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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.