Home / 1,047,153.34-1,570,642.12-415,897.66

Finding the Fourth Proportional to 1,047,153.34, 1,570,642.12 and 415,897.66

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Solution

The fourth proportional to 1,047,153.34, 1,570,642.12 and 415,897.66 is: 623,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,153.34 : 1,570,642.12 = 415,897.66 : x
  2. Step 2: Convert to fraction form
    1,047,153.34/1,570,642.12 = 415,897.66/x
  3. Step 3: Cross multiply
    1,047,153.34x = 1,570,642.12 × 415,897.66
  4. Step 4: Simplify right side
    1,047,153.34x = 653,226,382,405.44
  5. Step 5: Solve for x
    x = 653,226,382,405.44/1,047,153.34
  6. Step 6: Final answer
    x = 623,811.58

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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.