Home / 827,955.10-1,142,564.43-460,417.60

Finding the Fourth Proportional to 827,955.10, 1,142,564.43 and 460,417.60

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Solution

The fourth proportional to 827,955.10, 1,142,564.43 and 460,417.60 is: 635,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,955.10 : 1,142,564.43 = 460,417.60 : x
  2. Step 2: Convert to fraction form
    827,955.10/1,142,564.43 = 460,417.60/x
  3. Step 3: Cross multiply
    827,955.10x = 1,142,564.43 × 460,417.60
  4. Step 4: Simplify right side
    827,955.10x = 526,056,772,705.97
  5. Step 5: Solve for x
    x = 526,056,772,705.97/827,955.10
  6. Step 6: Final answer
    x = 635,368.72

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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.