Home / 947,554.81-1,307,626.13-517,834.87

Finding the Fourth Proportional to 947,554.81, 1,307,626.13 and 517,834.87

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Solution

The fourth proportional to 947,554.81, 1,307,626.13 and 517,834.87 is: 714,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,554.81 : 1,307,626.13 = 517,834.87 : x
  2. Step 2: Convert to fraction form
    947,554.81/1,307,626.13 = 517,834.87/x
  3. Step 3: Cross multiply
    947,554.81x = 1,307,626.13 × 517,834.87
  4. Step 4: Simplify right side
    947,554.81x = 677,134,412,418.07
  5. Step 5: Solve for x
    x = 677,134,412,418.07/947,554.81
  6. Step 6: Final answer
    x = 714,612.40

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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.