Finding the Fourth Proportional to 1,225,753.99, 1,690,849.34 and 735,598.15
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Solution
The fourth proportional to 1,225,753.99, 1,690,849.34 and 735,598.15 is: 1,014,710.67
Step by Step Solution
- Step 1: Write the proportion equation
1,225,753.99 : 1,690,849.34 = 735,598.15 : x - Step 2: Convert to fraction form
1,225,753.99/1,690,849.34 = 735,598.15/x - Step 3: Cross multiply
1,225,753.99x = 1,690,849.34 × 735,598.15 - Step 4: Simplify right side
1,225,753.99x = 1,243,785,646,432.72 - Step 5: Solve for x
x = 1,243,785,646,432.72/1,225,753.99 - Step 6: Final answer
x = 1,014,710.67
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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.