Home / 1,291,030.77-1,781,597.64-710,219.95

Finding the Fourth Proportional to 1,291,030.77, 1,781,597.64 and 710,219.95

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Solution

The fourth proportional to 1,291,030.77, 1,781,597.64 and 710,219.95 is: 980,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,030.77 : 1,781,597.64 = 710,219.95 : x
  2. Step 2: Convert to fraction form
    1,291,030.77/1,781,597.64 = 710,219.95/x
  3. Step 3: Cross multiply
    1,291,030.77x = 1,781,597.64 × 710,219.95
  4. Step 4: Simplify right side
    1,291,030.77x = 1,265,326,186,800.92
  5. Step 5: Solve for x
    x = 1,265,326,186,800.92/1,291,030.77
  6. Step 6: Final answer
    x = 980,089.88

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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.