Home / 732,709.80-1,011,287.16-500,756.04

Finding the Fourth Proportional to 732,709.80, 1,011,287.16 and 500,756.04

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Solution

The fourth proportional to 732,709.80, 1,011,287.16 and 500,756.04 is: 691,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,709.80 : 1,011,287.16 = 500,756.04 : x
  2. Step 2: Convert to fraction form
    732,709.80/1,011,287.16 = 500,756.04/x
  3. Step 3: Cross multiply
    732,709.80x = 1,011,287.16 × 500,756.04
  4. Step 4: Simplify right side
    732,709.80x = 506,408,153,544.45
  5. Step 5: Solve for x
    x = 506,408,153,544.45/732,709.80
  6. Step 6: Final answer
    x = 691,144.23

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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.