Finding the Fourth Proportional to 1,281,533.66, 1,768,496.99 and 700,758.64
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Solution
The fourth proportional to 1,281,533.66, 1,768,496.99 and 700,758.64 is: 967,036.28
Step by Step Solution
- Step 1: Write the proportion equation
1,281,533.66 : 1,768,496.99 = 700,758.64 : x - Step 2: Convert to fraction form
1,281,533.66/1,768,496.99 = 700,758.64/x - Step 3: Cross multiply
1,281,533.66x = 1,768,496.99 × 700,758.64 - Step 4: Simplify right side
1,281,533.66x = 1,239,289,537,631.46 - Step 5: Solve for x
x = 1,239,289,537,631.46/1,281,533.66 - Step 6: Final answer
x = 967,036.28
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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.