Finding the Fourth Proportional to 1,299,864.45, 1,794,263.90 and 893,312.09
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Solution
The fourth proportional to 1,299,864.45, 1,794,263.90 and 893,312.09 is: 1,233,080.59
Step by Step Solution
- Step 1: Write the proportion equation
1,299,864.45 : 1,794,263.90 = 893,312.09 : x - Step 2: Convert to fraction form
1,299,864.45/1,794,263.90 = 893,312.09/x - Step 3: Cross multiply
1,299,864.45x = 1,794,263.90 × 893,312.09 - Step 4: Simplify right side
1,299,864.45x = 1,602,837,621,082.67 - Step 5: Solve for x
x = 1,602,837,621,082.67/1,299,864.45 - Step 6: Final answer
x = 1,233,080.59
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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.