Home / 1,015,398.32-1,401,315-562,718.48

Finding the Fourth Proportional to 1,015,398.32, 1,401,315 and 562,718.48

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Solution

The fourth proportional to 1,015,398.32, 1,401,315 and 562,718.48 is: 776,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,398.32 : 1,401,315 = 562,718.48 : x
  2. Step 2: Convert to fraction form
    1,015,398.32/1,401,315 = 562,718.48/x
  3. Step 3: Cross multiply
    1,015,398.32x = 1,401,315 × 562,718.48
  4. Step 4: Simplify right side
    1,015,398.32x = 788,545,846,801.20
  5. Step 5: Solve for x
    x = 788,545,846,801.20/1,015,398.32
  6. Step 6: Final answer
    x = 776,587.70

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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.