Home / 1,430,315.51-1,973,836.70-785,777.45

Finding the Fourth Proportional to 1,430,315.51, 1,973,836.70 and 785,777.45

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Solution

The fourth proportional to 1,430,315.51, 1,973,836.70 and 785,777.45 is: 1,084,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,315.51 : 1,973,836.70 = 785,777.45 : x
  2. Step 2: Convert to fraction form
    1,430,315.51/1,973,836.70 = 785,777.45/x
  3. Step 3: Cross multiply
    1,430,315.51x = 1,973,836.70 × 785,777.45
  4. Step 4: Simplify right side
    1,430,315.51x = 1,550,996,355,044.34
  5. Step 5: Solve for x
    x = 1,550,996,355,044.34/1,430,315.51
  6. Step 6: Final answer
    x = 1,084,373.59

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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.