Home / 953,010.95-1,421,109.55-820,741.19

Finding the Fourth Proportional to 953,010.95, 1,421,109.55 and 820,741.19

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Solution

The fourth proportional to 953,010.95, 1,421,109.55 and 820,741.19 is: 1,223,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,010.95 : 1,421,109.55 = 820,741.19 : x
  2. Step 2: Convert to fraction form
    953,010.95/1,421,109.55 = 820,741.19/x
  3. Step 3: Cross multiply
    953,010.95x = 1,421,109.55 × 820,741.19
  4. Step 4: Simplify right side
    953,010.95x = 1,166,363,137,107.74
  5. Step 5: Solve for x
    x = 1,166,363,137,107.74/953,010.95
  6. Step 6: Final answer
    x = 1,223,871.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.