Home / 943,045.12-1,301,431.62-513,353.89

Finding the Fourth Proportional to 943,045.12, 1,301,431.62 and 513,353.89

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Solution

The fourth proportional to 943,045.12, 1,301,431.62 and 513,353.89 is: 708,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,045.12 : 1,301,431.62 = 513,353.89 : x
  2. Step 2: Convert to fraction form
    943,045.12/1,301,431.62 = 513,353.89/x
  3. Step 3: Cross multiply
    943,045.12x = 1,301,431.62 × 513,353.89
  4. Step 4: Simplify right side
    943,045.12x = 668,094,984,696.00
  5. Step 5: Solve for x
    x = 668,094,984,696.00/943,045.12
  6. Step 6: Final answer
    x = 708,444.35

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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.