Finding the Fourth Proportional to 1,266,376.84, 1,747,582.58 and 693,417.01
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Solution
The fourth proportional to 1,266,376.84, 1,747,582.58 and 693,417.01 is: 956,905.92
Step by Step Solution
- Step 1: Write the proportion equation
1,266,376.84 : 1,747,582.58 = 693,417.01 : x - Step 2: Convert to fraction form
1,266,376.84/1,747,582.58 = 693,417.01/x - Step 3: Cross multiply
1,266,376.84x = 1,747,582.58 × 693,417.01 - Step 4: Simplify right side
1,266,376.84x = 1,211,803,487,992.99 - Step 5: Solve for x
x = 1,211,803,487,992.99/1,266,376.84 - Step 6: Final answer
x = 956,905.92
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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.