Home / 953,121.76-1,315,603.26-613,590

Finding the Fourth Proportional to 953,121.76, 1,315,603.26 and 613,590

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Solution

The fourth proportional to 953,121.76, 1,315,603.26 and 613,590 is: 846,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,121.76 : 1,315,603.26 = 613,590 : x
  2. Step 2: Convert to fraction form
    953,121.76/1,315,603.26 = 613,590/x
  3. Step 3: Cross multiply
    953,121.76x = 1,315,603.26 × 613,590
  4. Step 4: Simplify right side
    953,121.76x = 807,241,004,303.40
  5. Step 5: Solve for x
    x = 807,241,004,303.40/953,121.76
  6. Step 6: Final answer
    x = 846,944.26

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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.