Home / 936,908.04-1,292,931.60-507,188.06

Finding the Fourth Proportional to 936,908.04, 1,292,931.60 and 507,188.06

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Solution

The fourth proportional to 936,908.04, 1,292,931.60 and 507,188.06 is: 699,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,908.04 : 1,292,931.60 = 507,188.06 : x
  2. Step 2: Convert to fraction form
    936,908.04/1,292,931.60 = 507,188.06/x
  3. Step 3: Cross multiply
    936,908.04x = 1,292,931.60 × 507,188.06
  4. Step 4: Simplify right side
    936,908.04x = 655,759,463,452.04
  5. Step 5: Solve for x
    x = 655,759,463,452.04/936,908.04
  6. Step 6: Final answer
    x = 699,918.71

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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.