Home / 1,111,390.78-1,533,710.78-602,089.50

Finding the Fourth Proportional to 1,111,390.78, 1,533,710.78 and 602,089.50

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Solution

The fourth proportional to 1,111,390.78, 1,533,710.78 and 602,089.50 is: 830,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,390.78 : 1,533,710.78 = 602,089.50 : x
  2. Step 2: Convert to fraction form
    1,111,390.78/1,533,710.78 = 602,089.50/x
  3. Step 3: Cross multiply
    1,111,390.78x = 1,533,710.78 × 602,089.50
  4. Step 4: Simplify right side
    1,111,390.78x = 923,431,156,674.81
  5. Step 5: Solve for x
    x = 923,431,156,674.81/1,111,390.78
  6. Step 6: Final answer
    x = 830,878.91

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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.