Home / 697,764.20-1,046,646.30-497,661.80

Finding the Fourth Proportional to 697,764.20, 1,046,646.30 and 497,661.80

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Solution

The fourth proportional to 697,764.20, 1,046,646.30 and 497,661.80 is: 746,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,764.20 : 1,046,646.30 = 497,661.80 : x
  2. Step 2: Convert to fraction form
    697,764.20/1,046,646.30 = 497,661.80/x
  3. Step 3: Cross multiply
    697,764.20x = 1,046,646.30 × 497,661.80
  4. Step 4: Simplify right side
    697,764.20x = 520,875,881,621.34
  5. Step 5: Solve for x
    x = 520,875,881,621.34/697,764.20
  6. Step 6: Final answer
    x = 746,492.70

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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.