Home / 1,490,334-2,056,661.16-811,275.60

Finding the Fourth Proportional to 1,490,334, 2,056,661.16 and 811,275.60

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Solution

The fourth proportional to 1,490,334, 2,056,661.16 and 811,275.60 is: 1,119,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,334 : 2,056,661.16 = 811,275.60 : x
  2. Step 2: Convert to fraction form
    1,490,334/2,056,661.16 = 811,275.60/x
  3. Step 3: Cross multiply
    1,490,334x = 2,056,661.16 × 811,275.60
  4. Step 4: Simplify right side
    1,490,334x = 1,668,519,016,575.70
  5. Step 5: Solve for x
    x = 1,668,519,016,575.70/1,490,334
  6. Step 6: Final answer
    x = 1,119,560.46

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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.