Home / 1,316,346-1,816,557.48-712,734

Finding the Fourth Proportional to 1,316,346, 1,816,557.48 and 712,734

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Solution

The fourth proportional to 1,316,346, 1,816,557.48 and 712,734 is: 983,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,346 : 1,816,557.48 = 712,734 : x
  2. Step 2: Convert to fraction form
    1,316,346/1,816,557.48 = 712,734/x
  3. Step 3: Cross multiply
    1,316,346x = 1,816,557.48 × 712,734
  4. Step 4: Simplify right side
    1,316,346x = 1,294,722,278,950.32
  5. Step 5: Solve for x
    x = 1,294,722,278,950.32/1,316,346
  6. Step 6: Final answer
    x = 983,572.92

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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.