Home / 914,501.40-1,371,752.10-415,865.40

Finding the Fourth Proportional to 914,501.40, 1,371,752.10 and 415,865.40

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Solution

The fourth proportional to 914,501.40, 1,371,752.10 and 415,865.40 is: 623,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,501.40 : 1,371,752.10 = 415,865.40 : x
  2. Step 2: Convert to fraction form
    914,501.40/1,371,752.10 = 415,865.40/x
  3. Step 3: Cross multiply
    914,501.40x = 1,371,752.10 × 415,865.40
  4. Step 4: Simplify right side
    914,501.40x = 570,464,235,767.34
  5. Step 5: Solve for x
    x = 570,464,235,767.34/914,501.40
  6. Step 6: Final answer
    x = 623,798.10

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Similar ratio
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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.