Home / 1,439,085.60-2,158,385.76-528,079.68

Finding the Fourth Proportional to 1,439,085.60, 2,158,385.76 and 528,079.68

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Solution

The fourth proportional to 1,439,085.60, 2,158,385.76 and 528,079.68 is: 792,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,085.60 : 2,158,385.76 = 528,079.68 : x
  2. Step 2: Convert to fraction form
    1,439,085.60/2,158,385.76 = 528,079.68/x
  3. Step 3: Cross multiply
    1,439,085.60x = 2,158,385.76 × 528,079.68
  4. Step 4: Simplify right side
    1,439,085.60x = 1,139,799,661,457.36
  5. Step 5: Solve for x
    x = 1,139,799,661,457.36/1,439,085.60
  6. Step 6: Final answer
    x = 792,030.48

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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.