Home / 963,899.70-1,330,328.10-615,190.62

Finding the Fourth Proportional to 963,899.70, 1,330,328.10 and 615,190.62

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Solution

The fourth proportional to 963,899.70, 1,330,328.10 and 615,190.62 is: 849,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,899.70 : 1,330,328.10 = 615,190.62 : x
  2. Step 2: Convert to fraction form
    963,899.70/1,330,328.10 = 615,190.62/x
  3. Step 3: Cross multiply
    963,899.70x = 1,330,328.10 × 615,190.62
  4. Step 4: Simplify right side
    963,899.70x = 818,405,368,642.42
  5. Step 5: Solve for x
    x = 818,405,368,642.42/963,899.70
  6. Step 6: Final answer
    x = 849,056.57

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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.