Finding the Fourth Proportional to 926,831.22, 1,389,370.26 and 698,773.02
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Solution
The fourth proportional to 926,831.22, 1,389,370.26 and 698,773.02 is: 1,047,498.65
Step by Step Solution
- Step 1: Write the proportion equation
926,831.22 : 1,389,370.26 = 698,773.02 : x - Step 2: Convert to fraction form
926,831.22/1,389,370.26 = 698,773.02/x - Step 3: Cross multiply
926,831.22x = 1,389,370.26 × 698,773.02 - Step 4: Simplify right side
926,831.22x = 970,854,452,478.39 - Step 5: Solve for x
x = 970,854,452,478.39/926,831.22 - Step 6: Final answer
x = 1,047,498.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.