Home / 1,430,398.32-1,973,867.74-785,804.67

Finding the Fourth Proportional to 1,430,398.32, 1,973,867.74 and 785,804.67

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Solution

The fourth proportional to 1,430,398.32, 1,973,867.74 and 785,804.67 is: 1,084,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,398.32 : 1,973,867.74 = 785,804.67 : x
  2. Step 2: Convert to fraction form
    1,430,398.32/1,973,867.74 = 785,804.67/x
  3. Step 3: Cross multiply
    1,430,398.32x = 1,973,867.74 × 785,804.67
  4. Step 4: Simplify right side
    1,430,398.32x = 1,551,074,486,089.83
  5. Step 5: Solve for x
    x = 1,551,074,486,089.83/1,430,398.32
  6. Step 6: Final answer
    x = 1,084,365.43

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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.