Home / 750,986.82-1,127,220.36-535,085.40

Finding the Fourth Proportional to 750,986.82, 1,127,220.36 and 535,085.40

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Solution

The fourth proportional to 750,986.82, 1,127,220.36 and 535,085.40 is: 803,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,986.82 : 1,127,220.36 = 535,085.40 : x
  2. Step 2: Convert to fraction form
    750,986.82/1,127,220.36 = 535,085.40/x
  3. Step 3: Cross multiply
    750,986.82x = 1,127,220.36 × 535,085.40
  4. Step 4: Simplify right side
    750,986.82x = 603,159,157,218.74
  5. Step 5: Solve for x
    x = 603,159,157,218.74/750,986.82
  6. Step 6: Final answer
    x = 803,155.45

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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.