Home / 760,411.71-1,049,352.30-416,239.20

Finding the Fourth Proportional to 760,411.71, 1,049,352.30 and 416,239.20

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Solution

The fourth proportional to 760,411.71, 1,049,352.30 and 416,239.20 is: 574,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,411.71 : 1,049,352.30 = 416,239.20 : x
  2. Step 2: Convert to fraction form
    760,411.71/1,049,352.30 = 416,239.20/x
  3. Step 3: Cross multiply
    760,411.71x = 1,049,352.30 × 416,239.20
  4. Step 4: Simplify right side
    760,411.71x = 436,781,561,870.16
  5. Step 5: Solve for x
    x = 436,781,561,870.16/760,411.71
  6. Step 6: Final answer
    x = 574,401.41

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Double scale
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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.