Home / 910,441.71-1,365,838.34-349,432.47

Finding the Fourth Proportional to 910,441.71, 1,365,838.34 and 349,432.47

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Solution

The fourth proportional to 910,441.71, 1,365,838.34 and 349,432.47 is: 524,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,441.71 : 1,365,838.34 = 349,432.47 : x
  2. Step 2: Convert to fraction form
    910,441.71/1,365,838.34 = 349,432.47/x
  3. Step 3: Cross multiply
    910,441.71x = 1,365,838.34 × 349,432.47
  4. Step 4: Simplify right side
    910,441.71x = 477,268,263,019.74
  5. Step 5: Solve for x
    x = 477,268,263,019.74/910,441.71
  6. Step 6: Final answer
    x = 524,216.17

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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.