Home / 684,273.60-1,026,410.40-617,918.40

Finding the Fourth Proportional to 684,273.60, 1,026,410.40 and 617,918.40

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Solution

The fourth proportional to 684,273.60, 1,026,410.40 and 617,918.40 is: 926,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,273.60 : 1,026,410.40 = 617,918.40 : x
  2. Step 2: Convert to fraction form
    684,273.60/1,026,410.40 = 617,918.40/x
  3. Step 3: Cross multiply
    684,273.60x = 1,026,410.40 × 617,918.40
  4. Step 4: Simplify right side
    684,273.60x = 634,237,872,111.36
  5. Step 5: Solve for x
    x = 634,237,872,111.36/684,273.60
  6. Step 6: Final answer
    x = 926,877.60

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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.