Finding the Fourth Proportional to 698,759.76, 1,047,881.79 and 249,360.42
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Solution
The fourth proportional to 698,759.76, 1,047,881.79 and 249,360.42 is: 373,948.61
Step by Step Solution
- Step 1: Write the proportion equation
698,759.76 : 1,047,881.79 = 249,360.42 : x - Step 2: Convert to fraction form
698,759.76/1,047,881.79 = 249,360.42/x - Step 3: Cross multiply
698,759.76x = 1,047,881.79 × 249,360.42 - Step 4: Simplify right side
698,759.76x = 261,300,243,264.75 - Step 5: Solve for x
x = 261,300,243,264.75/698,759.76 - Step 6: Final answer
x = 373,948.61
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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.