Home / 1,012,416.84-1,397,075.20-559,680.84

Finding the Fourth Proportional to 1,012,416.84, 1,397,075.20 and 559,680.84

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Solution

The fourth proportional to 1,012,416.84, 1,397,075.20 and 559,680.84 is: 772,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,416.84 : 1,397,075.20 = 559,680.84 : x
  2. Step 2: Convert to fraction form
    1,012,416.84/1,397,075.20 = 559,680.84/x
  3. Step 3: Cross multiply
    1,012,416.84x = 1,397,075.20 × 559,680.84
  4. Step 4: Simplify right side
    1,012,416.84x = 781,916,221,479.17
  5. Step 5: Solve for x
    x = 781,916,221,479.17/1,012,416.84
  6. Step 6: Final answer
    x = 772,326.37

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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.