Finding the Fourth Proportional to 930,606.45, 1,395,909.68 and 836,128.05
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Solution
The fourth proportional to 930,606.45, 1,395,909.68 and 836,128.05 is: 1,254,192.08
Step by Step Solution
- Step 1: Write the proportion equation
930,606.45 : 1,395,909.68 = 836,128.05 : x - Step 2: Convert to fraction form
930,606.45/1,395,909.68 = 836,128.05/x - Step 3: Cross multiply
930,606.45x = 1,395,909.68 × 836,128.05 - Step 4: Simplify right side
930,606.45x = 1,167,159,234,533.88 - Step 5: Solve for x
x = 1,167,159,234,533.88/930,606.45 - Step 6: Final answer
x = 1,254,192.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.