Finding the Fourth Proportional to 1,779,068.84, 2,668,603.62 and 641,830.66
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Solution
The fourth proportional to 1,779,068.84, 2,668,603.62 and 641,830.66 is: 962,746.12
Step by Step Solution
- Step 1: Write the proportion equation
1,779,068.84 : 2,668,603.62 = 641,830.66 : x - Step 2: Convert to fraction form
1,779,068.84/2,668,603.62 = 641,830.66/x - Step 3: Cross multiply
1,779,068.84x = 2,668,603.62 × 641,830.66 - Step 4: Simplify right side
1,779,068.84x = 1,712,791,628,635.51 - Step 5: Solve for x
x = 1,712,791,628,635.51/1,779,068.84 - Step 6: Final answer
x = 962,746.12
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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.