Home / 873,689.40-1,205,228.93-601,284.36

Finding the Fourth Proportional to 873,689.40, 1,205,228.93 and 601,284.36

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Solution

The fourth proportional to 873,689.40, 1,205,228.93 and 601,284.36 is: 829,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,689.40 : 1,205,228.93 = 601,284.36 : x
  2. Step 2: Convert to fraction form
    873,689.40/1,205,228.93 = 601,284.36/x
  3. Step 3: Cross multiply
    873,689.40x = 1,205,228.93 × 601,284.36
  4. Step 4: Simplify right side
    873,689.40x = 724,685,305,828.54
  5. Step 5: Solve for x
    x = 724,685,305,828.54/873,689.40
  6. Step 6: Final answer
    x = 829,454.16

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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.