Home / 1,016,300-1,402,393.20-586,718.72

Finding the Fourth Proportional to 1,016,300, 1,402,393.20 and 586,718.72

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Solution

The fourth proportional to 1,016,300, 1,402,393.20 and 586,718.72 is: 809,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,300 : 1,402,393.20 = 586,718.72 : x
  2. Step 2: Convert to fraction form
    1,016,300/1,402,393.20 = 586,718.72/x
  3. Step 3: Cross multiply
    1,016,300x = 1,402,393.20 × 586,718.72
  4. Step 4: Simplify right side
    1,016,300x = 822,810,343,240.70
  5. Step 5: Solve for x
    x = 822,810,343,240.70/1,016,300
  6. Step 6: Final answer
    x = 809,613.64

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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.