Home / 943,247.64-1,301,705.16-513,551.40

Finding the Fourth Proportional to 943,247.64, 1,301,705.16 and 513,551.40

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Solution

The fourth proportional to 943,247.64, 1,301,705.16 and 513,551.40 is: 708,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,247.64 : 1,301,705.16 = 513,551.40 : x
  2. Step 2: Convert to fraction form
    943,247.64/1,301,705.16 = 513,551.40/x
  3. Step 3: Cross multiply
    943,247.64x = 1,301,705.16 × 513,551.40
  4. Step 4: Simplify right side
    943,247.64x = 668,492,507,305.22
  5. Step 5: Solve for x
    x = 668,492,507,305.22/943,247.64
  6. Step 6: Final answer
    x = 708,713.68

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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.