Finding the Fourth Proportional to 692,973.75, 956,303.78 and 375,021.75
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Solution
The fourth proportional to 692,973.75, 956,303.78 and 375,021.75 is: 517,530.02
Step by Step Solution
- Step 1: Write the proportion equation
692,973.75 : 956,303.78 = 375,021.75 : x - Step 2: Convert to fraction form
692,973.75/956,303.78 = 375,021.75/x - Step 3: Cross multiply
692,973.75x = 956,303.78 × 375,021.75 - Step 4: Simplify right side
692,973.75x = 358,634,715,232.11 - Step 5: Solve for x
x = 358,634,715,232.11/692,973.75 - Step 6: Final answer
x = 517,530.02
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1.5x scale
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.