Finding the Fourth Proportional to 1,599,547.79, 2,207,390.65 and 911,209.46
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Solution
The fourth proportional to 1,599,547.79, 2,207,390.65 and 911,209.46 is: 1,257,477.43
Step by Step Solution
- Step 1: Write the proportion equation
1,599,547.79 : 2,207,390.65 = 911,209.46 : x - Step 2: Convert to fraction form
1,599,547.79/2,207,390.65 = 911,209.46/x - Step 3: Cross multiply
1,599,547.79x = 2,207,390.65 × 911,209.46 - Step 4: Simplify right side
1,599,547.79x = 2,011,395,242,195.55 - Step 5: Solve for x
x = 2,011,395,242,195.55/1,599,547.79 - Step 6: Final answer
x = 1,257,477.43
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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.