Home / 1,258,155.53-1,736,303.78-714,341.91

Finding the Fourth Proportional to 1,258,155.53, 1,736,303.78 and 714,341.91

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Solution

The fourth proportional to 1,258,155.53, 1,736,303.78 and 714,341.91 is: 985,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,155.53 : 1,736,303.78 = 714,341.91 : x
  2. Step 2: Convert to fraction form
    1,258,155.53/1,736,303.78 = 714,341.91/x
  3. Step 3: Cross multiply
    1,258,155.53x = 1,736,303.78 × 714,341.91
  4. Step 4: Simplify right side
    1,258,155.53x = 1,240,314,566,842.41
  5. Step 5: Solve for x
    x = 1,240,314,566,842.41/1,258,155.53
  6. Step 6: Final answer
    x = 985,819.75

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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.