Finding the Fourth Proportional to 1,430,914.24, 1,973,839.40 and 893,437.12
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Solution
The fourth proportional to 1,430,914.24, 1,973,839.40 and 893,437.12 is: 1,232,429.83
Step by Step Solution
- Step 1: Write the proportion equation
1,430,914.24 : 1,973,839.40 = 893,437.12 : x - Step 2: Convert to fraction form
1,430,914.24/1,973,839.40 = 893,437.12/x - Step 3: Cross multiply
1,430,914.24x = 1,973,839.40 × 893,437.12 - Step 4: Simplify right side
1,430,914.24x = 1,763,501,388,878.53 - Step 5: Solve for x
x = 1,763,501,388,878.53/1,430,914.24 - Step 6: Final answer
x = 1,232,429.83
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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.