Home / 1,319,208.50-1,820,538.55-738,417.18

Finding the Fourth Proportional to 1,319,208.50, 1,820,538.55 and 738,417.18

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Solution

The fourth proportional to 1,319,208.50, 1,820,538.55 and 738,417.18 is: 1,019,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,208.50 : 1,820,538.55 = 738,417.18 : x
  2. Step 2: Convert to fraction form
    1,319,208.50/1,820,538.55 = 738,417.18/x
  3. Step 3: Cross multiply
    1,319,208.50x = 1,820,538.55 × 738,417.18
  4. Step 4: Simplify right side
    1,319,208.50x = 1,344,316,939,466.99
  5. Step 5: Solve for x
    x = 1,344,316,939,466.99/1,319,208.50
  6. Step 6: Final answer
    x = 1,019,032.96

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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.