Home / 859,669.96-1,186,256.19-537,415.51

Finding the Fourth Proportional to 859,669.96, 1,186,256.19 and 537,415.51

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Solution

The fourth proportional to 859,669.96, 1,186,256.19 and 537,415.51 is: 741,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,669.96 : 1,186,256.19 = 537,415.51 : x
  2. Step 2: Convert to fraction form
    859,669.96/1,186,256.19 = 537,415.51/x
  3. Step 3: Cross multiply
    859,669.96x = 1,186,256.19 × 537,415.51
  4. Step 4: Simplify right side
    859,669.96x = 637,512,475,339.51
  5. Step 5: Solve for x
    x = 637,512,475,339.51/859,669.96
  6. Step 6: Final answer
    x = 741,578.17

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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.