Home / 949,373.04-1,311,557.76-623,459.28

Finding the Fourth Proportional to 949,373.04, 1,311,557.76 and 623,459.28

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Solution

The fourth proportional to 949,373.04, 1,311,557.76 and 623,459.28 is: 861,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,373.04 : 1,311,557.76 = 623,459.28 : x
  2. Step 2: Convert to fraction form
    949,373.04/1,311,557.76 = 623,459.28/x
  3. Step 3: Cross multiply
    949,373.04x = 1,311,557.76 × 623,459.28
  4. Step 4: Simplify right side
    949,373.04x = 817,702,856,728.01
  5. Step 5: Solve for x
    x = 817,702,856,728.01/949,373.04
  6. Step 6: Final answer
    x = 861,308.28

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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.