Finding the Fourth Proportional to 975,214.74, 1,462,296.14 and 442,445.08
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Solution
The fourth proportional to 975,214.74, 1,462,296.14 and 442,445.08 is: 663,428.99
Step by Step Solution
- Step 1: Write the proportion equation
975,214.74 : 1,462,296.14 = 442,445.08 : x - Step 2: Convert to fraction form
975,214.74/1,462,296.14 = 442,445.08/x - Step 3: Cross multiply
975,214.74x = 1,462,296.14 × 442,445.08 - Step 4: Simplify right side
975,214.74x = 646,985,732,645.99 - Step 5: Solve for x
x = 646,985,732,645.99/975,214.74 - Step 6: Final answer
x = 663,428.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.