Home / 1,258,014.02-1,736,079.12-685,053.74

Finding the Fourth Proportional to 1,258,014.02, 1,736,079.12 and 685,053.74

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Solution

The fourth proportional to 1,258,014.02, 1,736,079.12 and 685,053.74 is: 945,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,014.02 : 1,736,079.12 = 685,053.74 : x
  2. Step 2: Convert to fraction form
    1,258,014.02/1,736,079.12 = 685,053.74/x
  3. Step 3: Cross multiply
    1,258,014.02x = 1,736,079.12 × 685,053.74
  4. Step 4: Simplify right side
    1,258,014.02x = 1,189,307,494,091.91
  5. Step 5: Solve for x
    x = 1,189,307,494,091.91/1,258,014.02
  6. Step 6: Final answer
    x = 945,384.93

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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.