Home / 876,071.88-1,209,526.50-671,730.04

Finding the Fourth Proportional to 876,071.88, 1,209,526.50 and 671,730.04

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Solution

The fourth proportional to 876,071.88, 1,209,526.50 and 671,730.04 is: 927,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,071.88 : 1,209,526.50 = 671,730.04 : x
  2. Step 2: Convert to fraction form
    876,071.88/1,209,526.50 = 671,730.04/x
  3. Step 3: Cross multiply
    876,071.88x = 1,209,526.50 × 671,730.04
  4. Step 4: Simplify right side
    876,071.88x = 812,475,290,619.96
  5. Step 5: Solve for x
    x = 812,475,290,619.96/876,071.88
  6. Step 6: Final answer
    x = 927,407.11

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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.