Home / 1,353,984.65-1,868,690.19-837,904.74

Finding the Fourth Proportional to 1,353,984.65, 1,868,690.19 and 837,904.74

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Solution

The fourth proportional to 1,353,984.65, 1,868,690.19 and 837,904.74 is: 1,156,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,984.65 : 1,868,690.19 = 837,904.74 : x
  2. Step 2: Convert to fraction form
    1,353,984.65/1,868,690.19 = 837,904.74/x
  3. Step 3: Cross multiply
    1,353,984.65x = 1,868,690.19 × 837,904.74
  4. Step 4: Simplify right side
    1,353,984.65x = 1,565,784,367,792.50
  5. Step 5: Solve for x
    x = 1,565,784,367,792.50/1,353,984.65
  6. Step 6: Final answer
    x = 1,156,426.98

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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.