Home / 931,868.03-1,397,646.35-258,017.45

Finding the Fourth Proportional to 931,868.03, 1,397,646.35 and 258,017.45

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Solution

The fourth proportional to 931,868.03, 1,397,646.35 and 258,017.45 is: 386,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,868.03 : 1,397,646.35 = 258,017.45 : x
  2. Step 2: Convert to fraction form
    931,868.03/1,397,646.35 = 258,017.45/x
  3. Step 3: Cross multiply
    931,868.03x = 1,397,646.35 × 258,017.45
  4. Step 4: Simplify right side
    931,868.03x = 360,617,145,938.72
  5. Step 5: Solve for x
    x = 360,617,145,938.72/931,868.03
  6. Step 6: Final answer
    x = 386,983.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.