Home / 1,358,133.40-1,874,114.40-785,210.50

Finding the Fourth Proportional to 1,358,133.40, 1,874,114.40 and 785,210.50

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Solution

The fourth proportional to 1,358,133.40, 1,874,114.40 and 785,210.50 is: 1,083,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,133.40 : 1,874,114.40 = 785,210.50 : x
  2. Step 2: Convert to fraction form
    1,358,133.40/1,874,114.40 = 785,210.50/x
  3. Step 3: Cross multiply
    1,358,133.40x = 1,874,114.40 × 785,210.50
  4. Step 4: Simplify right side
    1,358,133.40x = 1,471,574,305,081.20
  5. Step 5: Solve for x
    x = 1,471,574,305,081.20/1,358,133.40
  6. Step 6: Final answer
    x = 1,083,527.07

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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.