Finding the Fourth Proportional to 1,111,569.61, 1,533,966.47 and 602,271.99
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Solution
The fourth proportional to 1,111,569.61, 1,533,966.47 and 602,271.99 is: 831,135.57
Step by Step Solution
- Step 1: Write the proportion equation
1,111,569.61 : 1,533,966.47 = 602,271.99 : x - Step 2: Convert to fraction form
1,111,569.61/1,533,966.47 = 602,271.99/x - Step 3: Cross multiply
1,111,569.61x = 1,533,966.47 × 602,271.99 - Step 4: Simplify right side
1,111,569.61x = 923,865,038,480.18 - Step 5: Solve for x
x = 923,865,038,480.18/1,111,569.61 - Step 6: Final answer
x = 831,135.57
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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.