Home / 936,931.46-1,292,965.81-507,211.58

Finding the Fourth Proportional to 936,931.46, 1,292,965.81 and 507,211.58

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Solution

The fourth proportional to 936,931.46, 1,292,965.81 and 507,211.58 is: 699,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,931.46 : 1,292,965.81 = 507,211.58 : x
  2. Step 2: Convert to fraction form
    936,931.46/1,292,965.81 = 507,211.58/x
  3. Step 3: Cross multiply
    936,931.46x = 1,292,965.81 × 507,211.58
  4. Step 4: Simplify right side
    936,931.46x = 655,807,231,376.08
  5. Step 5: Solve for x
    x = 655,807,231,376.08/936,931.46
  6. Step 6: Final answer
    x = 699,952.19

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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.