Home / 732,708.90-1,011,631.68-457,485.80

Finding the Fourth Proportional to 732,708.90, 1,011,631.68 and 457,485.80

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Solution

The fourth proportional to 732,708.90, 1,011,631.68 and 457,485.80 is: 631,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,708.90 : 1,011,631.68 = 457,485.80 : x
  2. Step 2: Convert to fraction form
    732,708.90/1,011,631.68 = 457,485.80/x
  3. Step 3: Cross multiply
    732,708.90x = 1,011,631.68 × 457,485.80
  4. Step 4: Simplify right side
    732,708.90x = 462,807,123,371.99
  5. Step 5: Solve for x
    x = 462,807,123,371.99/732,708.90
  6. Step 6: Final answer
    x = 631,638.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.