Home / 1,016,356.76-1,402,562.74-557,462.20

Finding the Fourth Proportional to 1,016,356.76, 1,402,562.74 and 557,462.20

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Solution

The fourth proportional to 1,016,356.76, 1,402,562.74 and 557,462.20 is: 769,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,356.76 : 1,402,562.74 = 557,462.20 : x
  2. Step 2: Convert to fraction form
    1,016,356.76/1,402,562.74 = 557,462.20/x
  3. Step 3: Cross multiply
    1,016,356.76x = 1,402,562.74 × 557,462.20
  4. Step 4: Simplify right side
    1,016,356.76x = 781,875,709,453.41
  5. Step 5: Solve for x
    x = 781,875,709,453.41/1,016,356.76
  6. Step 6: Final answer
    x = 769,292.57

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Double scale
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1.5x scale

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.