Finding the Fourth Proportional to 877,699.97, 1,316,024.56 and 364,746.55
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Solution
The fourth proportional to 877,699.97, 1,316,024.56 and 364,746.55 is: 546,901.49
Step by Step Solution
- Step 1: Write the proportion equation
877,699.97 : 1,316,024.56 = 364,746.55 : x - Step 2: Convert to fraction form
877,699.97/1,316,024.56 = 364,746.55/x - Step 3: Cross multiply
877,699.97x = 1,316,024.56 × 364,746.55 - Step 4: Simplify right side
877,699.97x = 480,015,417,975.27 - Step 5: Solve for x
x = 480,015,417,975.27/877,699.97 - Step 6: Final answer
x = 546,901.49
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1.5x scale
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.