Home / 1,152,398.07-1,590,415.16-636,244.20

Finding the Fourth Proportional to 1,152,398.07, 1,590,415.16 and 636,244.20

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Solution

The fourth proportional to 1,152,398.07, 1,590,415.16 and 636,244.20 is: 878,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,398.07 : 1,590,415.16 = 636,244.20 : x
  2. Step 2: Convert to fraction form
    1,152,398.07/1,590,415.16 = 636,244.20/x
  3. Step 3: Cross multiply
    1,152,398.07x = 1,590,415.16 × 636,244.20
  4. Step 4: Simplify right side
    1,152,398.07x = 1,011,892,417,960.85
  5. Step 5: Solve for x
    x = 1,011,892,417,960.85/1,152,398.07
  6. Step 6: Final answer
    x = 878,075.42

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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.