Home / 985,541.40-1,478,312.10-631,247.40

Finding the Fourth Proportional to 985,541.40, 1,478,312.10 and 631,247.40

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Solution

The fourth proportional to 985,541.40, 1,478,312.10 and 631,247.40 is: 946,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,541.40 : 1,478,312.10 = 631,247.40 : x
  2. Step 2: Convert to fraction form
    985,541.40/1,478,312.10 = 631,247.40/x
  3. Step 3: Cross multiply
    985,541.40x = 1,478,312.10 × 631,247.40
  4. Step 4: Simplify right side
    985,541.40x = 933,180,669,513.54
  5. Step 5: Solve for x
    x = 933,180,669,513.54/985,541.40
  6. Step 6: Final answer
    x = 946,871.10

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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.