Home / 1,047,645.12-1,571,568.96-416,417.28

Finding the Fourth Proportional to 1,047,645.12, 1,571,568.96 and 416,417.28

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Solution

The fourth proportional to 1,047,645.12, 1,571,568.96 and 416,417.28 is: 624,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,645.12 : 1,571,568.96 = 416,417.28 : x
  2. Step 2: Convert to fraction form
    1,047,645.12/1,571,568.96 = 416,417.28/x
  3. Step 3: Cross multiply
    1,047,645.12x = 1,571,568.96 × 416,417.28
  4. Step 4: Simplify right side
    1,047,645.12x = 654,428,471,655.63
  5. Step 5: Solve for x
    x = 654,428,471,655.63/1,047,645.12
  6. Step 6: Final answer
    x = 624,666.18

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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.