Home / 898,187.38-1,239,503.25-495,779.38

Finding the Fourth Proportional to 898,187.38, 1,239,503.25 and 495,779.38

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Solution

The fourth proportional to 898,187.38, 1,239,503.25 and 495,779.38 is: 684,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,187.38 : 1,239,503.25 = 495,779.38 : x
  2. Step 2: Convert to fraction form
    898,187.38/1,239,503.25 = 495,779.38/x
  3. Step 3: Cross multiply
    898,187.38x = 1,239,503.25 × 495,779.38
  4. Step 4: Simplify right side
    898,187.38x = 614,520,152,792.99
  5. Step 5: Solve for x
    x = 614,520,152,792.99/898,187.38
  6. Step 6: Final answer
    x = 684,178.12

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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.