Home / 1,004,810.40-1,386,663.36-545,925.12

Finding the Fourth Proportional to 1,004,810.40, 1,386,663.36 and 545,925.12

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Solution

The fourth proportional to 1,004,810.40, 1,386,663.36 and 545,925.12 is: 753,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,810.40 : 1,386,663.36 = 545,925.12 : x
  2. Step 2: Convert to fraction form
    1,004,810.40/1,386,663.36 = 545,925.12/x
  3. Step 3: Cross multiply
    1,004,810.40x = 1,386,663.36 × 545,925.12
  4. Step 4: Simplify right side
    1,004,810.40x = 757,014,361,207.60
  5. Step 5: Solve for x
    x = 757,014,361,207.60/1,004,810.40
  6. Step 6: Final answer
    x = 753,390.25

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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.