Home / 907,368.90-1,361,053.35-636,764.10

Finding the Fourth Proportional to 907,368.90, 1,361,053.35 and 636,764.10

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Solution

The fourth proportional to 907,368.90, 1,361,053.35 and 636,764.10 is: 955,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,368.90 : 1,361,053.35 = 636,764.10 : x
  2. Step 2: Convert to fraction form
    907,368.90/1,361,053.35 = 636,764.10/x
  3. Step 3: Cross multiply
    907,368.90x = 1,361,053.35 × 636,764.10
  4. Step 4: Simplify right side
    907,368.90x = 866,669,911,464.74
  5. Step 5: Solve for x
    x = 866,669,911,464.74/907,368.90
  6. Step 6: Final answer
    x = 955,146.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.