Home / 912,262.59-1,258,919.22-509,854.59

Finding the Fourth Proportional to 912,262.59, 1,258,919.22 and 509,854.59

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Solution

The fourth proportional to 912,262.59, 1,258,919.22 and 509,854.59 is: 703,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,262.59 : 1,258,919.22 = 509,854.59 : x
  2. Step 2: Convert to fraction form
    912,262.59/1,258,919.22 = 509,854.59/x
  3. Step 3: Cross multiply
    912,262.59x = 1,258,919.22 × 509,854.59
  4. Step 4: Simplify right side
    912,262.59x = 641,865,742,756.22
  5. Step 5: Solve for x
    x = 641,865,742,756.22/912,262.59
  6. Step 6: Final answer
    x = 703,597.57

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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.