Home / 1,785,904.40-2,678,856.60-456,208.40

Finding the Fourth Proportional to 1,785,904.40, 2,678,856.60 and 456,208.40

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Solution

The fourth proportional to 1,785,904.40, 2,678,856.60 and 456,208.40 is: 684,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,904.40 : 2,678,856.60 = 456,208.40 : x
  2. Step 2: Convert to fraction form
    1,785,904.40/2,678,856.60 = 456,208.40/x
  3. Step 3: Cross multiply
    1,785,904.40x = 2,678,856.60 × 456,208.40
  4. Step 4: Simplify right side
    1,785,904.40x = 1,222,116,883,315.44
  5. Step 5: Solve for x
    x = 1,222,116,883,315.44/1,785,904.40
  6. Step 6: Final answer
    x = 684,312.60

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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.