Finding the Fourth Proportional to 917,926.70, 1,266,376 and 530,670.86
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Solution
The fourth proportional to 917,926.70, 1,266,376 and 530,670.86 is: 732,116.02
Step by Step Solution
- Step 1: Write the proportion equation
917,926.70 : 1,266,376 = 530,670.86 : x - Step 2: Convert to fraction form
917,926.70/1,266,376 = 530,670.86/x - Step 3: Cross multiply
917,926.70x = 1,266,376 × 530,670.86 - Step 4: Simplify right side
917,926.70x = 672,028,841,003.36 - Step 5: Solve for x
x = 672,028,841,003.36/917,926.70 - Step 6: Final answer
x = 732,116.02
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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.