Home / 840,427.19-1,160,165.23-569,318.47

Finding the Fourth Proportional to 840,427.19, 1,160,165.23 and 569,318.47

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Solution

The fourth proportional to 840,427.19, 1,160,165.23 and 569,318.47 is: 785,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,427.19 : 1,160,165.23 = 569,318.47 : x
  2. Step 2: Convert to fraction form
    840,427.19/1,160,165.23 = 569,318.47/x
  3. Step 3: Cross multiply
    840,427.19x = 1,160,165.23 × 569,318.47
  4. Step 4: Simplify right side
    840,427.19x = 660,503,495,893.02
  5. Step 5: Solve for x
    x = 660,503,495,893.02/840,427.19
  6. Step 6: Final answer
    x = 785,914.00

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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.