Home / 912,290.23-1,258,938.33-504,381.56

Finding the Fourth Proportional to 912,290.23, 1,258,938.33 and 504,381.56

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Solution

The fourth proportional to 912,290.23, 1,258,938.33 and 504,381.56 is: 696,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,290.23 : 1,258,938.33 = 504,381.56 : x
  2. Step 2: Convert to fraction form
    912,290.23/1,258,938.33 = 504,381.56/x
  3. Step 3: Cross multiply
    912,290.23x = 1,258,938.33 × 504,381.56
  4. Step 4: Simplify right side
    912,290.23x = 634,985,278,829.20
  5. Step 5: Solve for x
    x = 634,985,278,829.20/912,290.23
  6. Step 6: Final answer
    x = 696,034.29

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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.