Home / 991,713.20-1,487,569.80-592,804.40

Finding the Fourth Proportional to 991,713.20, 1,487,569.80 and 592,804.40

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Solution

The fourth proportional to 991,713.20, 1,487,569.80 and 592,804.40 is: 889,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,713.20 : 1,487,569.80 = 592,804.40 : x
  2. Step 2: Convert to fraction form
    991,713.20/1,487,569.80 = 592,804.40/x
  3. Step 3: Cross multiply
    991,713.20x = 1,487,569.80 × 592,804.40
  4. Step 4: Simplify right side
    991,713.20x = 881,837,922,747.12
  5. Step 5: Solve for x
    x = 881,837,922,747.12/991,713.20
  6. Step 6: Final answer
    x = 889,206.60

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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.