Home / 1,018,133.90-1,527,533-485,585.72

Finding the Fourth Proportional to 1,018,133.90, 1,527,533 and 485,585.72

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Solution

The fourth proportional to 1,018,133.90, 1,527,533 and 485,585.72 is: 728,536.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,133.90 : 1,527,533 = 485,585.72 : x
  2. Step 2: Convert to fraction form
    1,018,133.90/1,527,533 = 485,585.72/x
  3. Step 3: Cross multiply
    1,018,133.90x = 1,527,533 × 485,585.72
  4. Step 4: Simplify right side
    1,018,133.90x = 741,748,211,628.76
  5. Step 5: Solve for x
    x = 741,748,211,628.76/1,018,133.90
  6. Step 6: Final answer
    x = 728,536.99

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Double scale
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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.