Home / 956,095.74-1,319,429.03-520,525.76

Finding the Fourth Proportional to 956,095.74, 1,319,429.03 and 520,525.76

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Solution

The fourth proportional to 956,095.74, 1,319,429.03 and 520,525.76 is: 718,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,095.74 : 1,319,429.03 = 520,525.76 : x
  2. Step 2: Convert to fraction form
    956,095.74/1,319,429.03 = 520,525.76/x
  3. Step 3: Cross multiply
    956,095.74x = 1,319,429.03 × 520,525.76
  4. Step 4: Simplify right side
    956,095.74x = 686,796,789,407.04
  5. Step 5: Solve for x
    x = 686,796,789,407.04/956,095.74
  6. Step 6: Final answer
    x = 718,334.74

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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.