Home / 1,012,215.92-1,396,858.28-553,332.51

Finding the Fourth Proportional to 1,012,215.92, 1,396,858.28 and 553,332.51

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Solution

The fourth proportional to 1,012,215.92, 1,396,858.28 and 553,332.51 is: 763,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,215.92 : 1,396,858.28 = 553,332.51 : x
  2. Step 2: Convert to fraction form
    1,012,215.92/1,396,858.28 = 553,332.51/x
  3. Step 3: Cross multiply
    1,012,215.92x = 1,396,858.28 × 553,332.51
  4. Step 4: Simplify right side
    1,012,215.92x = 772,927,095,420.02
  5. Step 5: Solve for x
    x = 772,927,095,420.02/1,012,215.92
  6. Step 6: Final answer
    x = 763,599.03

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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.