Home / 943,106.99-1,301,487.80-513,390.35

Finding the Fourth Proportional to 943,106.99, 1,301,487.80 and 513,390.35

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Solution

The fourth proportional to 943,106.99, 1,301,487.80 and 513,390.35 is: 708,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,106.99 : 1,301,487.80 = 513,390.35 : x
  2. Step 2: Convert to fraction form
    943,106.99/1,301,487.80 = 513,390.35/x
  3. Step 3: Cross multiply
    943,106.99x = 1,301,487.80 × 513,390.35
  4. Step 4: Simplify right side
    943,106.99x = 668,171,277,849.50
  5. Step 5: Solve for x
    x = 668,171,277,849.50/943,106.99
  6. Step 6: Final answer
    x = 708,478.77

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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.