Home / 947,391.04-1,307,384.04-517,661.92

Finding the Fourth Proportional to 947,391.04, 1,307,384.04 and 517,661.92

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Solution

The fourth proportional to 947,391.04, 1,307,384.04 and 517,661.92 is: 714,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,391.04 : 1,307,384.04 = 517,661.92 : x
  2. Step 2: Convert to fraction form
    947,391.04/1,307,384.04 = 517,661.92/x
  3. Step 3: Cross multiply
    947,391.04x = 1,307,384.04 × 517,661.92
  4. Step 4: Simplify right side
    947,391.04x = 676,782,932,323.76
  5. Step 5: Solve for x
    x = 676,782,932,323.76/947,391.04
  6. Step 6: Final answer
    x = 714,364.93

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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.