Home / 806,901.60-1,210,352.40-554,959.20

Finding the Fourth Proportional to 806,901.60, 1,210,352.40 and 554,959.20

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Solution

The fourth proportional to 806,901.60, 1,210,352.40 and 554,959.20 is: 832,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,901.60 : 1,210,352.40 = 554,959.20 : x
  2. Step 2: Convert to fraction form
    806,901.60/1,210,352.40 = 554,959.20/x
  3. Step 3: Cross multiply
    806,901.60x = 1,210,352.40 × 554,959.20
  4. Step 4: Simplify right side
    806,901.60x = 671,696,199,622.08
  5. Step 5: Solve for x
    x = 671,696,199,622.08/806,901.60
  6. Step 6: Final answer
    x = 832,438.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.