Home / 684,884.28-946,043.40-525,706.32

Finding the Fourth Proportional to 684,884.28, 946,043.40 and 525,706.32

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Solution

The fourth proportional to 684,884.28, 946,043.40 and 525,706.32 is: 726,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,884.28 : 946,043.40 = 525,706.32 : x
  2. Step 2: Convert to fraction form
    684,884.28/946,043.40 = 525,706.32/x
  3. Step 3: Cross multiply
    684,884.28x = 946,043.40 × 525,706.32
  4. Step 4: Simplify right side
    684,884.28x = 497,340,994,374.29
  5. Step 5: Solve for x
    x = 497,340,994,374.29/684,884.28
  6. Step 6: Final answer
    x = 726,167.92

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Double scale
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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.