Home / 697,673.80-1,046,510.70-609,100.30

Finding the Fourth Proportional to 697,673.80, 1,046,510.70 and 609,100.30

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Solution

The fourth proportional to 697,673.80, 1,046,510.70 and 609,100.30 is: 913,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,673.80 : 1,046,510.70 = 609,100.30 : x
  2. Step 2: Convert to fraction form
    697,673.80/1,046,510.70 = 609,100.30/x
  3. Step 3: Cross multiply
    697,673.80x = 1,046,510.70 × 609,100.30
  4. Step 4: Simplify right side
    697,673.80x = 637,429,981,323.21
  5. Step 5: Solve for x
    x = 637,429,981,323.21/697,673.80
  6. Step 6: Final answer
    x = 913,650.45

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Double scale
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Similar ratio
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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.