Home / 1,173,089.06-1,618,897.02-663,780.50

Finding the Fourth Proportional to 1,173,089.06, 1,618,897.02 and 663,780.50

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Solution

The fourth proportional to 1,173,089.06, 1,618,897.02 and 663,780.50 is: 916,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,089.06 : 1,618,897.02 = 663,780.50 : x
  2. Step 2: Convert to fraction form
    1,173,089.06/1,618,897.02 = 663,780.50/x
  3. Step 3: Cross multiply
    1,173,089.06x = 1,618,897.02 × 663,780.50
  4. Step 4: Simplify right side
    1,173,089.06x = 1,074,592,273,384.11
  5. Step 5: Solve for x
    x = 1,074,592,273,384.11/1,173,089.06
  6. Step 6: Final answer
    x = 916,036.39

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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.