Home / 942,330.16-1,300,441.50-528,892.64

Finding the Fourth Proportional to 942,330.16, 1,300,441.50 and 528,892.64

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Solution

The fourth proportional to 942,330.16, 1,300,441.50 and 528,892.64 is: 729,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,330.16 : 1,300,441.50 = 528,892.64 : x
  2. Step 2: Convert to fraction form
    942,330.16/1,300,441.50 = 528,892.64/x
  3. Step 3: Cross multiply
    942,330.16x = 1,300,441.50 × 528,892.64
  4. Step 4: Simplify right side
    942,330.16x = 687,793,938,100.56
  5. Step 5: Solve for x
    x = 687,793,938,100.56/942,330.16
  6. Step 6: Final answer
    x = 729,886.37

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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.