Home / 788,442.32-1,088,051.40-430,746.32

Finding the Fourth Proportional to 788,442.32, 1,088,051.40 and 430,746.32

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Solution

The fourth proportional to 788,442.32, 1,088,051.40 and 430,746.32 is: 594,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,442.32 : 1,088,051.40 = 430,746.32 : x
  2. Step 2: Convert to fraction form
    788,442.32/1,088,051.40 = 430,746.32/x
  3. Step 3: Cross multiply
    788,442.32x = 1,088,051.40 × 430,746.32
  4. Step 4: Simplify right side
    788,442.32x = 468,674,136,520.85
  5. Step 5: Solve for x
    x = 468,674,136,520.85/788,442.32
  6. Step 6: Final answer
    x = 594,430.47

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Double scale
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1.5x scale

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.