Home / 944,145.79-1,302,904.78-514,429.45

Finding the Fourth Proportional to 944,145.79, 1,302,904.78 and 514,429.45

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Solution

The fourth proportional to 944,145.79, 1,302,904.78 and 514,429.45 is: 709,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,145.79 : 1,302,904.78 = 514,429.45 : x
  2. Step 2: Convert to fraction form
    944,145.79/1,302,904.78 = 514,429.45/x
  3. Step 3: Cross multiply
    944,145.79x = 1,302,904.78 × 514,429.45
  4. Step 4: Simplify right side
    944,145.79x = 670,252,589,377.77
  5. Step 5: Solve for x
    x = 670,252,589,377.77/944,145.79
  6. Step 6: Final answer
    x = 709,903.70

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Double scale
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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.